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 ...

Use Messenger to Attach a File If you're looking to send a file on Facebook Messenger on Android or iPhone, you can do this as well in a similar way for certain types of files, specifically images ...

Use Facebook Messenger to send and receive money It's a little-known fact that Facebook's chat app can also make like PayPal. Here's how to set it up.

So, I think the only valid reason to use Messenger (without a Facebook account) is just to enjoy a lively and neat user interface and send emojis you don’t find in the native keyboard.

Facebook allows you to set Messenger for Android as your default SMS application and use it to send and receive SMS and MMS messages in addition to Facebook conversations.