Hi ricardo16,
Recipient created invoices is not available yet in QuickBooks Online. However, this article provides you some detailed steps on how you can enter it.
If by any chance you’ve seen any feature that needs to be added or polished, the easiest way to submit your feedback is through the Gear icon and select Feedback.
Your valuable feedback goes to our Product Development team to help improve your experience in QuickBooks Online.
Let me know if you need any help. Have a nice day!