Here are some most visited KBs for CA Workload Automation ESP:
KB000010108: CA Workload Automation ESP Edition Subdelay Transmitter Busy condition.
KB000022097: How many runs of a CA WA ESP job are used to calculate the AVGRUNTIME variable?
KB000052436: With CA ESP Workload Automation, an agent is hung on "Wait for Initiator." What should you do?
KB000046104: CA Workload Automation ESP Edition CAS9013A Product about to expire.
KB000042824: How to code SSIS package job thru CA Workload Automation ESP Edition?
KB000042147: How to set up AES encrypted communication between CA WA ESP Edition and the CA WA System Agent
And here is the link to all existing KBs: