Yes, PRO2PDF works with multi-page forms. The described issue sounds like it’s coming from the original PDF form or abandoned/nonworking Field Map Layout(s).

Are you expecting three PDF attachments or are you expecting just one?
Can you merge all three of the PDFs from the PRO2PDF Export Tab?

Let us know the answers so we can know the next step in troubleshooting the issue.

We remain at your service.