We can perform some browser troubleshooting steps to find out what's causing the attachment paperclip not to show up when viewing transactions in the For Review tab, Chaz.
We can refer to this link to: perform basic browser troubleshooting.
Then, let's clear your cache and Intuit-specific cookies to remove the excessive webpage data that's causing the issue. You can also use another supported browser if the issue persists.
We can check this article to learn how to categorize transactions in QuickBooks Online: Categorize Online Bank Transactions in QuickBooks Online.
If you need further assistance in managing your bank transactions, feel free to reach out again. I'm always here to help.