I need buy what productions for PDF forms?

Hi:

My requirement：

1、Adobe Reader can edit and save Pdf forms,can add signature and barcode;

2、I upload pdf file by web upload or by email or copy files；

3、My back-end system(J2EE,Weblogic or Tomcat)  receive pdf files ，then extract XML datas from PDF by SDK(Adoble supply ？).

question:

1、I need buy what productions or modules of LiveCycle ES?

2、Adobe supply SDK of extracting XML datas from PDF?

Thanks