How to send a pdf file through email from an app

[Sandy5E8B]

Hi! I am a pdf dummy in desperate need of help!! I'm trying to send an invoice through email from an invoice app. The receiver told me I need to send it in a pdf file. I have absolutely no idea how to do that!! Help pls!! Thank you

[Sandy5E8B]

I need to do this from my iPhone 

[Test Screen Name]

Once you have the PDF, you email it like any other attachment. Sending email is complicated because you don't know and can't find out the user's settings.  iOS app rarely do it. Instead they use the IPC mechanisms to sendxacZpDF to an app ifvtgecusrr's choice.