Glad to see you here in the Community, @accounts425.
I can help create a USD invoice in QuickBooks Online (QBO).
First, we'll have to turn on the multi-currency feature. This way, we can create a customer profile and assign it to USD before creating an invoice or any other sales transactions.
Turn on the Multicurrency feature:
To create a customer profile:
Afterward, create an invoice or any other sales transactions. I'll guide you how:
I've also added these handy articles to learn more about the multi-currency feature in QBO:
Don't hold your back to drop a comment below if you have other questions. I'm more than happy to help. Take care!