Let me guide you on how you can accomplish your goal, SV97.
Editing your products and services information is easy, If you want to edit information on the invoice, you can just click the Edit button on the invoice.
But to make sure we're on the same page, are you trying to change the product's name so it shows the specific product on the invoice? Or the expense account of the product on the Products and services page so it shows up as COGS?
If you want to change the product's name, simply go to the Products and services page and find the product. Then click Edit and update the name of the product. I've added this screenshot for reference:
However, if you want to change the Expense account, you can click the drop-down arrow to choose a specific account that you want to assign. See below:
In addition, after QuickBooks downloads transactions, learn how it automatically categorizes and adds new vendors to your account. I've added this article for more information: Categorize Online Bank Transactions in QuickBooks Online.
You can always let me know if you have any questions about products and services or invoices. We're here to get you covered.