New updated infographic available at http://cloudblogger.co.in/2022/06/27/complete-timeline-of-vrealize-orchestrator-cb10097/
Most product areas of the forums have a "documents" sub-area as well as the "discussions" area.
This would make a good place for your poster: https://communities.vmware.com/t5/vRealize-Orchestrator-Documents/tkb-p/13006