Blog Post
Will Commerce create invoices for my sales transactions?
For QuickBooks Online users
Commerce will export your sales transactions as Sales Receipts (not invoices). There is little difference between the two other than a sales receipt is a more appropriate way of booking sales revenue collected at the time of the sale.
For Xero Users
Commerce will export your sales transactions using one of the following methods, (a) invoice + payment, or (b) direct transaction to a bank account.