This article explains how to use Google Docs to convert a document to a PDF file and save it in various locations, including email and your Google Drive. The instructions in this article apply to the desktop version of Google Docs, which is accessible through a web browser.
How to: Convert a Google Doc to a PDF
Sign in to Google Docs and open the document you want to convert to PDF.
Select File > Download > PDF Document (.pdf).
Check your computer's download folder for the PDF you just created. You can open your downloaded PDF file there.