ServiceNow - All About Change Requests, Navigation and Anatomy
Change requests have a numbering scheme that starts with ACHG
They are located in their own section called Armory Change Requests
that can be searched using the Sidebar Navigator
If the view does not match as above, please change the view by clicking on the hamburger in the upper right corner of the Change record, and go to View → Armory Change Request Change request interactions occur via Jira, and so, there is no interaction from with ServiceNow other than to pass information back to customers.