Thanks for reaching out, celenawolverton. We're here to help.
When it's part of business, you can use Business expense. For specific categories, we're unable to provide which expense category to use for a specific transaction. But, I can share a list of categories that you can choose from. Please check schedule C and expense categories in QuickBooks Self-Employed for more details.
I'm also sharing these links about managing your downloaded transactions and creating a custom category in QBSE:
Visit us again if there’s anything else that we can help you with.