Resources for SecOps implementation, tuning, troubleshooting, best practices, and usage:

Docs.servicenow.com search for VR "reference information"

Developer.servicenow.com Developers content/on demand training

VR Performance Tuning KB1157979

Support Consolidated KBs for SIR KB1642299

Support consolidated KBs for VR/CC KB0867515

ServiceNow Community Security Operations

"Success with VR" webinar series Best practices, tuning/configuration tips

NowCreate Process, Implementation, Workshop guides

NowLearning.servicenow.com Solution curriculum (On Demand and classroom)

YouTube ServiceNow Community Enhancements, How to's, New Releases