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 ...

RCS Business Messaging on Google Messages now supports PDF files, allowing companies to send documents like flight tickets directly to users.

Google has added PDF support to RCS messages in Google Messages, starting with India. Businesses can now send tickets, invoices, and receipts via PDF directly in chats.