Login to Facebook
Login to your Facebook account on a desktop PC. Don't use a mobile device!
Select your page
Click the Your Pages panel on the right hand side of the screen and select the page you wish to share.
Navigate to page roles

From your Facebook Business Page select Settings > Page Roles
Under Pending Partner Requests select Respond to Request.
Grant access

Click Give Cemoh (or your agency name) access to my Page
Approve request

Click approve request.
Enter your password

Confirm your password and click submit.
Success!

If successful, the Setting Page will refresh and display 'Roles approved' for the agency.