The link below has a PDF files that doesn't display properly with the sdk viewer or the Radee PDF Viewer. The text is fuzzy.
www.setlisthelper.com/problem.pdf
These are common PDF files that provided by
us.songselect.com/ which is a very popular worship site.
Any help you can provide to get this to display correctly would be great. I am using a Galaxy Tab 2 10 inch with Android 4.2.2. I have a user with this problem but I am sure of their device type or Android version.