Unneeded Rated 1 out of 5 stars

Click on the link then drag the FavIcon (just left of the URL) to the desktop or whereever, done. Add on unnecessary.
As for PDF there is also web2pdf (put a button on the bookmark tool bar)
If you have IE Tab installed, open the link in IE and save as a .mht

This review is for a previous version of the add-on (1.3.1).