There are a few tables in the product where it can be confusing if you happen to scroll down the page because the table headers aren't sticky so you can't see what column you're in. I caught this when looking at the permissions page. It's a long table and the user has to remember which column is admin, users, etc.

Less of a problem but also true for some reports and other tables. Sticky Column Headers would make it so the user always knows what they're looking at.