I recently discovered that the PDFs exported by the Fast Report\'s PDF export filter aren\'t displayed correctly in Mac OSX, iOS and Android devices.
Fast Report informe
Here is my workaround solution. It's not an universal one, but helped me in my case. The main idea: use in report font with small file size (I've found Arial-like font with cyrillic charset with size 57kb). So the exported files can be 100-200 kb. Details is here: http://dev-doc.blogspot.com/2013/03/fastreport-4-font-reading-and-huge-file.html