You are using a Mac OS based system.
To view the purchased document from a Mac computer, you must first open Adobe Reader and then the PDF document, otherwise your Mac computer will open the document with Apple Preview and you will not obtain a correct view according to the Adobe format.
You are using Internet Explorer 9.
Please note that at present this site is not fully compatible with Internet Explorer 9; the entire range of site functionalities will be available through this browser in the near future. For optimal navigation, we recommend the use of Mozilla Firefox.