With the receive payment window on screen, have you tried scrolling to the right? intuit programmers use fixed positioning and have large monitors so sometimes the buttons are off screen to the right.
Follow the below steps to get the list of payment.
Go to Transactions and click on Sales from your QuickBooks Online homepage.
Click the “Filter” button.
Change Type to “Money Received”.
Select the range of date and customer you want.
This’ll show all transactions that are considered payment, like Payments and Sales Receipts.
You can then make your list of payments.