Unable To View PDF Files And How To Open PDFs Within Chrome

1. On the Hosted Server click Start and type Default Apps
2. Click on Default Apps from the search results to open it
3. Select Adobe Reader from the list
4. At the bottom of the screen, click Choose defaults for this program
5. Locate .pdf on the list, and add a checkmark in the box
6. Click Save at the lower right corner.
7. Attempt to access your file again.

Solution II:

1. Open Chrome Browser
2. Click on the 3 dots at the top right corner of the browser window: 
3. Click Settings> Privacy and Security> Site Settings> PDF documents
4. Enable PDF 
5. Try opening PDF files in Chrome again.