AX – D365FO – modify the default print management setup for customer invoices to use the PDF format.

1. Go to Navigation pane > Modules > Accounts Receivable > Setup > Forms > Form setup
2. On the General tab, click the Print management button.

3. In the documents list, expand Customer invoice and select Original <Default>.
4. In the Destination field, select Printer setup.
5. In the Print destination settings windows, select File.
6. Select PDF for the File type.
7. Click OK to save the changes.