diff --git a/addons/account/models/account_payment_method.py b/addons/account/models/account_payment_method.py
index 7004192e9ca..de907a260e1 100644
--- a/addons/account/models/account_payment_method.py
+++ b/addons/account/models/account_payment_method.py
@@ -44,7 +44,6 @@ class AccountPaymentMethod(models.Model):
         self.ensure_one()
         information = self._get_payment_method_information().get(self.code)
 
-        unique = information.get('mode') == 'unique'
         currency_id = information.get('currency_id')
         country_id = information.get('country_id')
         default_domain = [('type', 'in', ('bank', 'cash'))]
@@ -59,11 +58,6 @@ class AccountPaymentMethod(models.Model):
         if country_id:
             domains += [[('company_id.account_fiscal_country_id', '=', country_id)]]
 
-        if unique:
-            company_ids = self.env['payment.acquirer'].search([('provider', '=', self.code)]).mapped('company_id')
-            if company_ids:
-                domains += [[('company_id', 'in', company_ids.ids)]]
-
         return expression.AND(domains)
 
     @api.model
diff --git a/addons/payment/models/account_journal.py b/addons/payment/models/account_journal.py
index c0fcd74ef9c..b4cbeb29d3a 100644
--- a/addons/payment/models/account_journal.py
+++ b/addons/payment/models/account_journal.py
@@ -30,8 +30,8 @@ class AccountJournal(models.Model):
             AND acquirer.company_id IN %(company_ids)s
         ''', {'company_ids': tuple(self.company_id.ids)})
         ids = [r[0] for r in self._cr.fetchall()]
-        acquirers = self.env['payment.acquirer'].browse(ids)
-        if acquirers:
+        if ids:
+            acquirers = self.env['payment.acquirer'].sudo().browse(ids)
             raise UserError(_("You can't delete a payment method that is linked to an acquirer in the enabled or test state.\n"
                               "Linked acquirer(s): %s", ', '.join(a.display_name for a in acquirers)))
 
@@ -44,7 +44,7 @@ class AccountJournal(models.Model):
     def _compute_available_payment_method_ids(self):
         super()._compute_available_payment_method_ids()
 
-        installed_acquirers = self.env['payment.acquirer'].search([])
+        installed_acquirers = self.env['payment.acquirer'].sudo().search([])
         method_information = self.env['account.payment.method']._get_payment_method_information()
         pay_methods = self.env['account.payment.method'].search([('code', 'in', list(method_information.keys()))])
         pay_method_by_code = {x.code + x.payment_type: x for x in pay_methods}
diff --git a/addons/payment/models/account_payment_method.py b/addons/payment/models/account_payment_method.py
index bfdbf6c4f22..9e24c957f89 100644
--- a/addons/payment/models/account_payment_method.py
+++ b/addons/payment/models/account_payment_method.py
@@ -2,6 +2,7 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from odoo import api, fields, models, _
+from odoo.osv import expression
 
 
 class AccountPaymentMethodLine(models.Model):
@@ -18,7 +19,7 @@ class AccountPaymentMethodLine(models.Model):
 
     @api.depends('payment_method_id')
     def _compute_payment_acquirer_id(self):
-        acquirers = self.env['payment.acquirer'].search([
+        acquirers = self.env['payment.acquirer'].sudo().search([
             ('provider', 'in', self.mapped('code')),
             ('company_id', 'in', self.journal_id.company_id.ids),
         ])
@@ -28,6 +29,19 @@ class AccountPaymentMethodLine(models.Model):
             company = line.journal_id.company_id
             line.payment_acquirer_id = acquirers_map.get((code, company), False)
 
+    def _get_payment_method_domain(self):
+        # OVERRIDE
+        domain = super()._get_payment_method_domain()
+        information = self._get_payment_method_information().get(self.code)
+
+        unique = information.get('mode') == 'unique'
+        if unique:
+            company_ids = self.env['payment.acquirer'].sudo().search([('provider', '=', self.code)]).mapped('company_id')
+            if company_ids:
+                domain = expression.AND([domain, [('company_id', 'in', company_ids.ids)]])
+
+        return domain
+
     def action_open_acquirer_form(self):
         self.ensure_one()
         return {
diff --git a/addons/payment/views/account_journal_views.xml b/addons/payment/views/account_journal_views.xml
index 9b96b8468bf..6d1c3b5970f 100644
--- a/addons/payment/views/account_journal_views.xml
+++ b/addons/payment/views/account_journal_views.xml
@@ -9,8 +9,12 @@
             <xpath expr="//field[@name='inbound_payment_method_line_ids']//field[@name='payment_account_id']" position="after">
                 <field name="payment_acquirer_id" invisible="1"/>
                 <field name="payment_acquirer_state" invisible="1"/>
-                <button name="action_open_acquirer_form" type="object" string="SETUP" class="float-right btn-secondary"
-                        attrs="{'invisible': [('payment_acquirer_id', '=', False)]}"/>
+                <button name="action_open_acquirer_form"
+                        type="object"
+                        string="SETUP"
+                        class="float-right btn-secondary"
+                        attrs="{'invisible': [('payment_acquirer_id', '=', False)]}"
+                        groups="base.group_system"/>
             </xpath>
             <xpath expr="//field[@name='inbound_payment_method_line_ids']/tree" position="attributes">
                 <attribute name="decoration-muted">payment_acquirer_state == 'disabled'</attribute>