Note: The prerequisite for Word AutoRecover to work on Mac is that you have saved the document for at least one time. It is very likely that you can recover the document that you didn't save with the autosave files.
The good news is that by default, Word on Mac enables an autosave feature which automatically save the document you are working on every 10 minutes in the AutoRecovery folder. Top 5 Must-Know Data Recovery Software for Mac/PC (opens new window) How to Recover Unsaved Word Document 2019/2017/2016/2011 on Mac Mac Files Recovery: How to Recover Deleted Files on Mac (opens new window)