PDF in Folder

Hello – using Plugin: ARI Fancy Lightbox – WordPress Popup.

My goal is to create a folder wiht lots of PDF files and then link to those in emails. I would like them to open up in a light box. When I click on the file, it gets downloaded.

http://staging22.ascent360.com/knowlege_content/Turning Data Into Insights and Income.pdf

The page I need help with: [log in to see the link]