diff --git a/addons/hr/static/src/views/fields/many2many_avatar_employee_field/many2many_avatar_employee_field.js b/addons/hr/static/src/views/fields/many2many_avatar_employee_field/many2many_avatar_employee_field.js
index 34cebb2d207..b966923dc12 100644
--- a/addons/hr/static/src/views/fields/many2many_avatar_employee_field/many2many_avatar_employee_field.js
+++ b/addons/hr/static/src/views/fields/many2many_avatar_employee_field/many2many_avatar_employee_field.js
@@ -8,7 +8,11 @@ import {
     kanbanMany2ManyTagsAvatarUserField,
 } from "@mail/web/fields/many2many_avatar_user_field/many2many_avatar_user_field";
 
-export class Many2ManyTagsAvatarEmployeeField extends Many2ManyTagsAvatarUserField {}
+export class Many2ManyTagsAvatarEmployeeField extends Many2ManyTagsAvatarUserField {
+    get relation() {
+        return 'hr.employee.public';
+    }
+}
 
 export const many2ManyTagsAvatarEmployeeField = {
     ...many2ManyTagsAvatarUserField,
@@ -21,7 +25,11 @@ export const many2ManyTagsAvatarEmployeeField = {
 
 registry.category("fields").add("many2many_avatar_employee", many2ManyTagsAvatarEmployeeField);
 
-export class KanbanMany2ManyTagsAvatarEmployeeField extends KanbanMany2ManyTagsAvatarUserField {}
+export class KanbanMany2ManyTagsAvatarEmployeeField extends KanbanMany2ManyTagsAvatarUserField {
+    get relation() {
+        return 'hr.employee.public';
+    }
+}
 
 export const kanbanMany2ManyTagsAvatarEmployeeField = {
     ...kanbanMany2ManyTagsAvatarUserField,
diff --git a/addons/hr/static/src/views/fields/many2one_avatar_employee_field/many2one_avatar_employee_field.js b/addons/hr/static/src/views/fields/many2one_avatar_employee_field/many2one_avatar_employee_field.js
index f35ead8d8e6..bef813d9572 100644
--- a/addons/hr/static/src/views/fields/many2one_avatar_employee_field/many2one_avatar_employee_field.js
+++ b/addons/hr/static/src/views/fields/many2one_avatar_employee_field/many2one_avatar_employee_field.js
@@ -8,7 +8,11 @@ import {
     kanbanMany2OneAvatarUserField,
 } from "@mail/web/fields/many2one_avatar_user_field/many2one_avatar_user_field";
 
-export class Many2OneAvatarEmployeeField extends Many2OneAvatarUserField {}
+export class Many2OneAvatarEmployeeField extends Many2OneAvatarUserField {
+    get relation() {
+        return 'hr.employee.public';
+    }
+}
 
 export const many2OneAvatarEmployeeField = {
     ...many2OneAvatarUserField,
@@ -21,7 +25,11 @@ export const many2OneAvatarEmployeeField = {
 
 registry.category("fields").add("many2one_avatar_employee", many2OneAvatarEmployeeField);
 
-export class KanbanMany2OneAvatarEmployeeField extends KanbanMany2OneAvatarUserField {}
+export class KanbanMany2OneAvatarEmployeeField extends KanbanMany2OneAvatarUserField {
+    get relation() {
+        return 'hr.employee.public';
+    }
+}
 
 export const kanbanMany2OneAvatarEmployeeField = {
     ...kanbanMany2OneAvatarUserField,
diff --git a/addons/hr_holidays/models/hr_leave.py b/addons/hr_holidays/models/hr_leave.py
index 07b36e98a18..a68f94c01e8 100644
--- a/addons/hr_holidays/models/hr_leave.py
+++ b/addons/hr_holidays/models/hr_leave.py
@@ -231,7 +231,7 @@ class HolidaysRequest(models.Model):
         inverse='_inverse_supported_attachment_ids')
     supported_attachment_ids_count = fields.Integer(compute='_compute_supported_attachment_ids')
     # UX fields
-    all_employee_ids = fields.Many2many('hr.employee', compute='_compute_all_employees')
+    all_employee_ids = fields.Many2many('hr.employee', compute='_compute_all_employees', compute_sudo=True)
     leave_type_request_unit = fields.Selection(related='holiday_status_id.request_unit', readonly=True)
     leave_type_support_document = fields.Boolean(related="holiday_status_id.support_document")
     # Interface fields used when not using hour-based computation