What is a PDF reader and do you really need a dedicated one on your phone?

A PDF reader can be a very useful tool to have on your phone.

By Anna Washenko Oct. 31, 2026 10:15 am EST PeopleImages/Shutterstock Add Engadget on Google: Google Discover

We peruse plenty of PDFs in our day-to-day lives, both in work and personal settings. And with the smartphone being the device of choice for many folks, it helps to know for sure that you'll be able to see the files you need when you need them. This may lead you to wonder if you need a dedicated PDF reader on your phone.