Hi nam,

You’ll want to use the Notes tab on the Vendor Information page to add notes for this Vendor.

1. Go to Vendors.
2. Choose Vendor Center.
3. Click the name of the Vendor.
4. Click the Notes tab.
5. At the bottom, click the Manage Notes button.
6. Choose Add New.
7. Enter the note and click OK.

I’ve added a screenshot for your reference. Let me know if you have questions.

Have a good day!