Thanks for chiming in, auditoria. 

All QuickBooks Online (QBO) plans in the US region can gain access to the Invoices and Received Payments report. However, since you're using the international version this report is unavailable.

You can visit this article to learn more about what reports are available in your QBO version: Reports included in your QuickBooks Online subscription.

Moreover, you can follow the suggestion and steps provided by @ChristineJoieR about running the Sales by Customer report and sending feedback. This way, you can export it to Excel and customize it by adding the total sales. Also, by sending a product suggestion, they may consider adding this in the later updates.

Additionally, if you want to know more about personalizing your reports in QBO, you can refer to this article for guidance: Customise reports in QuickBooks Online.

Please don't hesitate to reply to this post if you have further questions about accessing the invoices and received payments report in QBO. I'm more than willing to assist you.