How to Integrate Facebook Business Page?
As soon as Facebook Review Link is SetUp, start Facebook business page Integration.
Setup Social Accounts > Facebook > Login with Facebook
(for selected location at right handside)
1st Image : If you are not logged in. Enter your login credentials
or 2nd Image : If you already logged in, select your account to continue as selected user
Choose your correct business location page
Give permission to all the features
Click OK to comlete the Integration
And its Done!