After you’ve enabled Case Feed in your organization and created a permission set that includes it, assign that permission set to users.
|Available in: Salesforce Classic|
|Available in: Enterprise, Performance, Unlimited, and Developer Editions|
|To change support settings:||“Manage Cases”|
- From Setup, enter Users in the Quick Find box, then select Users.
- Select a user’s name.
- In the Permission Set Assignments list, click Edit Assignments.
- Select the permission set you want in the Available Permission Sets list, and then click Add.
- Click Save.