WhatsApp adds support for PDF before other formats
March 4, 2016
A world-leading chat application adds PDF support before any other.

About Duff Johnson
As CEO, Duff coordinates industry activities and promotes the advancement and adoption of PDF technology worldwide.
The latest releases of the phenomenally-popular messaging applications has started adding support sending and receiving documents using their acclaimed Messenger application.
WhatsApp is starting with PDF, as their latest release for Android makes clear.
Sending a document on WhatsApp is quite easy - tap on the attachment icon on any chat and select the new blue Document icon.
ZDnet says that an update for iOS, dated February 28, doesn't mention PDF-sharing per se, but refers to photos and videos.
Learn more via WhatsApp's own FAQ page.