The requests created by the Data Catalog users can be listed in Administration > Set-up and management > admin requests section.
The elements displayed are similar to my requests. The only difference is that this page shows the requests that can be attended by request administrators with the right permissions to manage them instead of the ones created by the current user. This way, when a request administrator opens the detail of a request from this table, it will be opened from a manager perspective. See request detail as administrator section.