In the second most recent episode of my podcast, Paul Shimmons and I discuss apps for working with PDFs. One of the apps I mentioned, PDF Converter by Readdle, is an excellent solution for for turning content in apps into PDFs. PDF Converter turns a variety of data (websites, articles, documents, photos, etc.) into elegant PDFs and is available as an extension on iOS so it can be accessed from within any app. See the video below.
The result doesn’t look incredibly elegant in this case because PDF Expert struggled with the ads on the website. In most cases, it does a decent job and even with stuff like this web article, I now have a text searchable copy of that article on my computer’s hard drive.