vCenter Monitoring of Event Logs

One of these methods should do it: https://www.logicmonitor.com/support/about-log-ingestion

We don’t have LogMon so not sure how we’re going to be able to proceed without purchasing additional licensing.

Ah, in that case, you’d need to write an eventsource. Eventsources can parse incoming syslog for matching patterns, or you can script it to go to the vCenter API to query for events that happened since the last query.