This website uses PDF files.  Due to security concerns, browser developers have removed and are continuing to remove certain functionalities.  Reading a PDF file in the browser has been removed. The PDF file must be opened in Adobe Acrobat Reader,   In the past, when you click on a PDF file, the browser would start a small program inside the browser to view the file.  Now, the browser must be configured to open the file in a separate Adobe Acrobat Reader program.  You may need to change the behavior of your browser.  Below are links that may help resolve your issue.

Microsoft has 2 browsers, Internet Explore ( the one we are used to ) and Microsoft Edge.  Visit