Ver esto también:
[Para la escritura del texto] http://www.mikesdotnetting.com/Article/82/iTextSharp-Adding-Text-with-Chunks-Phrases-and-Paragraphs
[para las tablas] http://www.mikesdotnetting.com/Article/86/iTextSharp-Introducing-Tables
[General] http://www.mikesdotnetting.com/Category/20