TO CREATE THE STAFF ROLE:
Go to the "Setup".
Click on the "Roles" under staff settings.
Click on the (+) Icon to create the permission role.
4. Add the role name that you are creating.
5. Enable the permissions you want to assign to that specific role.
6. Click on "Save".
TO ASSIGN THE STAFF ROLE:
Go to the "Manage Staff".
Select the staff and Click on the "three dots (...)", to whom you want to grant the permission.
Click on the "Edit".
4. Click on the "Permissions".
5. Select the "Staff role", as shown below
6. Scroll down and Click on "Save".
Additionally, while adding the staff member, you may also grant the staff permission role.