During the application process, in the Documents section, if you choose to manually upload business bank statements, you can only upload three months of business bank statements (four if you operate in California or New York). If you need to add additional business bank statements or documents, you can after you submit your application.
To add additional documents/statements, post submission you need to:
Select the Document Centre on the left-side navigation on your dashboard
Select Add Documents or Add Bank Statements
Upload documents from your device
You’re done!