When dealing with Facebook-related tasks always start with the social media section and go into Facebook.
If you have the appropriate access or permissions in Facebook, you should be able to select the page or site where you want to post a comment and simply add it there.
If you don't have the appropriate permissions, see the following instructions below.
We have 4 Facebooks. Tri Inde serves as a background Facebook to be used for permissions or for people that don't have Facebook and want to post something within .