Hello,
Please refer to help.sap.com SAP NetWeaver Process Integration - SAP Library
Also, for monitoring Monitoring Integration Processes - SAP NetWeaver Process Integration - SAP Library
Also, access http://host:port/pimon& NWA -> SOA Management gives monitoring capabilities.
For IDOC AAE related configuration, refer to PI/XI: PI 7.3 New Java based IDOC adapter's configuration (sender, receiver) - teaser
Regards,
Ankit