Accepting requests from agencies or partners who need to access your Facebook page is so easy, you can do it in three steps!
STEP ONE: Open up the facebook app on either a mobile phone or desktop computer, and you will see the request as per here.
STEP TWO: Once you’ve clicked on the request, it will take you to your settings as below, where you should select ‘respond to request’.
STEP THREE: Once you’ve selected respond to request, you just have to clock ‘give the ad lab access to my page’ and enter your password to confirm it is you!