Your IT department may have extremely high restrictions. In my previous workplace the IT department had moderate restrictions in place. Users could install optional web browsers and applications like Reviewer would work as well. If you tried to install an application like Photoshop or Dreamweaver, the system would prevent it. In other organizations where I worked, no application install would work. Talk to your IT department and see if they can make Adobe Reviewer part of the standard image that's installed with all office workers.
You can share the following with your IT department to assure them it's safe to include:
https://helpx.adobe.com/captivate/using/using-air-review-application.html