Video made possible by colleagues on the UCLA HumTech Instructional technology team. https://humtech.ucla.edu/instructional-support/integrated-tools/zoom-teleconferencing/
Whether in a breakout room, or in full forum, to provide your students a document, you would need to paste a share link to it in the chat box of Zoom. This Share Link would allow them to download to their computer a respective OneDrive file (preferred) or Google Docs file. If you haven't installed OneDrive already and aren't certain how to best create a Share Link to a file, your Faculty Assistant can create that link for you beforehand.