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:
Note: If you have not connected your Facebook Page token to your Stack, Fan Posts and Comments will come into your Stack without a Username, User Handle and/or Avatar. To find out how to connect your Facebook Page token, click here.