eclev91

This will quickly tell your server has all the software installed to take advantage of WordPress 4.7’s built-in PDF thumbnail generation. Some plugins may shim the functionality in other ways. This test only concerns the native WordPress functionality.
From <a href="https://sternerstuffdesign.com" rel="nofollow ugc">Sterner Stuff Design</a>.
Tests: 
* ImageMagick 
* Imagick PECL Extension 
* GhostScript 
* Your WordPress Version

PDF Thumbnails Support Test

Determine if your server is missing software for WordPress 4.7's native PDF thumbnail generator.

Automattic

Donna Peplinskie (a11n)

Alex Sanford

Jake Morrison (a11n)

Sensei LMS Media Attachments enables you to attach media files to your courses and lessons in Sensei LMS.
For example, you may have some reading material, in PDF format, to offer your students.
With Sensei LMS Media Attachments, you can upload the file to your course or lesson. The file will then be presented as a link in a separate Course Media or Lesson Media section.

Sensei LMS Media Attachments

Simple but effective

Provide your students with easy access to additional learning materials, from audio files to slideshows and PDFs.

PDF Thumbnails Support Test vs Sensei LMS Media Attachments