PDF (Portable Document Foundation) is actually a file format that is handy and was created in 1993 by Adobe Systems. With the help of PDF viewer, you can view all the information needed at your preferred format, you can download or print those documents at your choice and also you can do the format as per your choice.
PDF comes in a vector format so it will not malign the graphics and text when you zoom in. In the WordPress various Plugins are available to help you to work with PDF documents as PDF viewer. You can have multiple uses of these plungis while working on WordPress like you can make your blog post in PDF format and it will help your readers to download the information or zoom in pictures as per their use.
For your perusal, here we offer 10 WordPress Pluginf for PDF viewer that is easy to download and use.