Thank you for reaching out and explaining the issue you've encountered regarding the purchases by vendor report, fgsdist.
Based on your description, it seems like the items automatically transferred into the category section aren't appearing on the purchase report, whereas manually entered items do appear.
It's possible that the issue you're experiencing can be related to how your POS software is configured to integrate with QuickBooks Online (QBO).
Given this situation, I recommend contacting your POS software support team. They can help you check and adjust the settings that manage how data is categorized and transferred to QBO, which could resolve the discrepancies in your purchase reports.
In addition, here are some resources that you can read to ensure that you'll get the most out of QuickBooks' Online reporting capabilities:
Please feel free to keep us updated on the progress, fgsdist, or if there are further details or assistance you might need during this process. The Community team is always ready to help.