Denis,

Could you publish a snippet of code that generates a PDF document with a text that contains russians letters ? We need to test.

For russian letters, I think That You need a consistent font and the proper encoding. Normally, the Helvetica / Arial ��should be ok. For the encoding, the standard fonts use ISO-8859-1 or windows-1252. If you use UTF8, You Could try to convert your text to this encoding before insert it in the PDF document.