Generate PDF/XPS file from an infoPath 2013 form

Hello.

I have an InfoPath 2013 web form published in a site on sharepoint online (this form is published as a site content). My customer wants to generate a PDF file from this form, and the only way I could find to do so is through print it as PDF/XPS. The question is the customer's form has a lot of site columns with info, and they want that info remains in the PDF. How can I do such a thing?

Thanks in advance for your help.