This article explains how to convert a Google Doc to PDF. The Google Docs website provides a few ways to do this depending on what you want to do with the PDF after it's been converted.

In addition to the note-taking feature, the Note application on iPhone also has the feature of scanning documents into PDF so ...

By default, your scanned documents are saved as images within Notes, but you can easily convert them to PDF. Tap the scanned document, then tap the share icon, and select "Create PDF." Using your ...