Google Chrome browser often has a default setting that will not allow the user to open a PDF pop-up in another window. This applies for Job Sheets and Job Reports
In order to open this type of files on your browser you will need to follow the steps described below:
Access Job Sheet or Job Report button and select the "Open PDF in new browser window to download" option.
After doing that you will have to check the warning icon being displayed on the address bar of the browser.
Access the icon from the address bar and select the "Always allow pop-ups and redirects for this page" option.
Now you should be able to open the Job Sheet or Job Report PDF files trough Chrome and download or view them.