There are a few reasons why you may not see the files you expect to see using MacroView DMF, Message or Case and Matter.
Firstly, all users do require read permission to the root level of the parent site collection.
The following knowledge base articles contain resolutions to other common issues:
- View cannot be displayed because the number of files exceeds the list view threshold
- No documents appear when clicking on SharePoint libraries in DMF
If these articles don't help solve your issue, please contact MacroView Support.