int fontType = 1;//  0 - windows, 1 - crossplatform, 2 - embedded
            var doc = pdfViewer1.Document;
            float y = 480;
            byte[] fontData = System.IO.File.ReadAllBytes(@"c:\windows\fonts\ARIALUNI.TTF");
            for (int i = 0; i < 14; i++)
            {
                FontCharSet ch = FontCharSet.DEFAULT_CHARSET;
                string text = "";
                switch (i)
                {
                    case 0: ch = FontCharSet.HANGEUL_CHARSET; text = "이것은 한국어 텍스트입니다."; break; 
                    case 1: ch = FontCharSet.SHIFTJIS_CHARSET; text = "これは韓国語のテキストです"; break;
                    case 2: ch = FontCharSet.HEBREW_CHARSET; text = "זהו טקסט קוריאני"; break;
                    case 3: ch = FontCharSet.ARABIC_CHARSET; text = "هذا هو النص الكوري"; break;
                    case 4: ch = FontCharSet.CHINESEBIG5_CHARSET; text = "這是韓文"; break;
                    case 5: ch = FontCharSet.GB2312_CHARSET; text = "这是韩文"; break;
                    case 6: ch = FontCharSet.RUSSIAN_CHARSET; text = "Это русский текст"; break;
                    case 7: ch = FontCharSet.ANSI_CHARSET; text = "This is a test string"; break;
                    case 8: ch = FontCharSet.BALTIC_CHARSET; text = "Vienkārša testa līnija"; break;
                    case 9: ch = FontCharSet.EASTEUROPE_CHARSET; text = "Jednoduchá zkušební linka"; break;
                    case 10: ch = FontCharSet.GREEK_CHARSET; text = "Απλή γραμμή δοκιμής"; break; 
                    case 11: ch = FontCharSet.THAI_CHARSET; text = "สายทดสอบง่าย"; break;
                    case 12: ch = FontCharSet.TURKISH_CHARSET; text = "Basit test hattı"; break;
                    case 13: ch = FontCharSet.VIETNAMESE_CHARSET; text = "Kiểm tra đơn giản"; break;
                }

                PdfFont font;
                LOGFONT lf = new LOGFONT() { lfFaceName = "Arial Unicode MS", lfCharSet = ch, lfPitchAndFamily = LOGFONT.FontPitchAndFamily.DEFAULT_PITCH | LOGFONT.FontPitchAndFamily.FF_ROMAN, lfWeight = FontWeight.FW_NORMAL };
                if (fontType == 0)
                    font = PdfFont.CreateWindowsFont(doc, lf, false, false);
                else if (fontType == 2)
                    font = PdfFont.CreateEmbeddedFont(doc, fontData, ch, false);
                else
                    font = PdfFont.CreateFont(doc, lf.lfFaceName, true, 0, lf.lfWeight, 0, lf.lfCharSet, false);

                var txt = PdfTextObject.Create(text, 10, y, font, 13);
                pdfViewer1.CurrentPage.PageObjects.Add(txt);
                y -= 30;
            }
            pdfViewer1.ClearRenderBuffer();
            pdfViewer1.Invalidate();