Assigning privileges
Go to Administration -> Users & Groups -> Manage Groups:
1. Select the required Group and click Privileges.
2. From the drop down box, select the ‘Modules’ category:
3. From the category drop down box, select the ‘Modules’ category and check the required option:
Manage Tell A Friend – enables administrators to manage instances of Tell/Refer a Friend.
4. Click Save and then Finished.