WE02 allows you to view and analyze IDocs (Intermediate Documents) in SAP. IDocs are used for data exchange between different systems in SAP or between SAP and external systems. IDocs are a type of message that transfers data and are commonly used in EDI (Electronic Data Interchange) scenarios.
With the WE02 transaction, you can check the status, structure, and contents of IDocs, which is essential for troubleshooting issues related to data transfer, communication, and integration.