Various pages on the website show download links appropriate to that page. These links enable you to view and download the associated files.
To view, just left-click the link. You may need to use the "Back" button to return to the site!
To download, right-click then use the "Save As" link that your own web browser provides.
If you do not already have Adobe Reader for PDF documents it can be downloaded and installed from the Adobe Reader Download Site.