Thanks for reaching out about your customer statements. QuickBooks Online is a great tool able to assist you in keeping track of invoices, payments and credit so that you know the amount owed by your customers. I can provide some assistance with forms appearing to be blank.
One possible cause for forms to appear blank would be browsing data. These temporary files can accumulate in your browser, device and network and can cause errors like blank forms in any cloud-based software like QuickBooks Online. Here are some steps to resolve errors caused by browsing data: