Hi Praveen,
You can find the details about the classes and methods in online documentation.
Here is the link for documentation.
http://www2.syncfusion.com/library/default.aspxYou can find "Class Reference" link at the left bottom.
I will provide you with a sample regarding spliting up of PDF document by tomorrow.
Please let me know if you have any queries.
Regards,
Dhivya.