It's good to hear from you today, CISPA-Finance.
Yes, you can add additional information to your vendor profile. You can use the Notes or Other fields to enter the details.
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To help you manage your expenses in QuickBooks Desktop, check this write-up: Expenses and vendors. This will provide you links on how your expense transactions work in QuickBooks.
I'm always here should you have any follow-up questions or concerns. Wishing you and your business continued success!