save emails as PDF to SharePoint?

Hello -

We have a few users here who send out emails, but then open up their Sent folder, find the items sent, and save as PDF locally and then upload to SharePoint (on-prem or 365).    I am trying to find a way to automate some if not all of this cumbersome process.   I can set up rules to move the items, but not sure if its possible to save email as PDF without some type of macro or 3rd party tool. 

http://macroview365.com/free-plugins-sharepoint-outlook-office-365/