Sep 12,  · How to Add a PDF to Facebook: The Methods. There are two primary methods to add a PDF to Facebook: uploading it as a post or linking it in a post. We’ll discuss both . Jun 7,  · When creating a new post in your Group, you'll be able to select a PDF from your computer and attach it to your post. You can also upload other types of files to Facebook, . Read our quick and easy guide to learn how to upload a PDF to a Facebook business page or Facebook group.