For ITextSharp if you don't want to publish your own source code you need a license - i.e. $

Also ITextSharp is a ' all-singing, all-dancing' PDF generator. If you're only creating simple PDF stuff it's not too difficult to roll your own.....

>I don't understand. What's the problem with an external dll?
>
>>Yes, I've seen that before. But, it will be important that I have my own class so to avoid to depend on an external dll file.