Welcome to the Community, @fromtop2bottomcs.
@Rustler is correct. The ability to input or to select a specific payment option on the invoice for customers to pay is currently unavailable. However, if you've signed up for QuickBooks Payments, your customers have the option to pay invoices via credit card or bank transfer (ACH).
I'll pass along your suggestion to our Product Developers. They're always looking for ideas to consider on how to improve QBO. In the meantime, I recommend visiting our Blog site. This is where we share recent happenings and future developments, such as updates to newly added features.
Just in case, I'll add these articles for future reference:
Please know that I'm only a few clicks away if you have any other issues or concerns. I'll be here to help. Have a great weekend!