1. Open the chat box and scroll down to the text box at the bottom of the chat box.
2. Type in a comment. You will not be able to share documents without a comment in the text box.
3. Then click on the paperclip icon.
4. Attach a PDF or image from your computer.
5. Click Post.
Note: Sharing documents with the chat box works the same for sharing with the entire path or sharing privately with an individual group member.