I'm not that knowledgeable about Win10 customization, but there are plethora of different columns, that you can display. And you should be able to pick one suitable one, to repurpose it to your needs.
Here's guide on how to add/remove columns,
link:
https://www.jegsworks.com/lessons/win10/filesandfolders/step-fileexplorer-managedetails.htm
Scroll down quite a lot, until you reach "Customize Details View - Choose Which Columns to Show".
I looked the list of all possible columns and e.g File Description could be repurposed for your "comments" needs. However, which i didn't figure out, is how to add custom info into file description column.