Re: any way to download "resource" articles as PDF?
Yes, you certainly can 'print' those pages to paper the same as any other page.
Saving to a PDF is also possible. It is a builtin feature in the Google Chrome browser I prefer. Here is the support page on doing that in Chrome:
Other browsers may also offer that feature, but I rarely use Firefox anymore, and IE is a complete waste of time.
-- The real problem is not precise language, it's clear language. - Richard Feynman