To view documents in PDF format requires the Adobe Acrobat Reader to be installed on your PC. To download and install the Adobe Acrobat Reader follow this link:

To increase magnification:
Do one of the following:
Select the zoom-in tool , and click the page.

Select the zoom-in tool, and drag to draw a rectangle, called a marquee, around the area to magnify.

Click the Magnification button in the status bar, and choose a magnification level.