You can only upload a PDF to Facebook groups and business pages, unless you convert the PDF to an image file.

You can send PDF files in Facebook Messenger. But you will need to send it from Google Docs or Google Drive app on iPhone or Android. To send a PDF file using Facebook Messenger, make sure you ...

How to Make a PDF Into a Link on Facebook. Linking to PDF documents on Facebook is one way to share information with friends and contacts. Facebook doesn't allow users to upload and embed PDF ...

After you log in, choose the business page on which you want to post the PDF file. After you install the app, you can upload PDF files to your Facebook posts.