Kirk, based on the info you provided, I did some more testing. It turns
out that links to public PDFs on a Web server from an HTML article do
work fine in an Android app, and if Acrobat Reader or other PDF renderer
is installed on the Device, the reader is launched and the PDF is
displayed. But, this doesn't work if the URL for the PDF is an HTTPS
url. And, to further complicate matters, some of the non-secure HTTP
URLs for some of our PDFs automatically redirect to HTTPS, which also
keeps the P...