There are a few ways in which you can collect public content from Facebook. Under Aggregate > Create Term > Facebook > Type you can choose between aggregating content posted directly on a Facebook page, or aggregating comments made to specific Facebook post.
What does this mean?
Page - use this option to aggregate public content that has been posted directly to a specific company Facebook page. For example:
Comment - Aggregate comments from public profiles that have been added to a specific Facebook post. For example:
For further information please log a support ticket.