Both the API and the UI can pull User Data.
Via API
Docs are here:
https://fusionauth.io/docs/v1/tech/apis/users/#search-for-users https://fusionauth.io/docs/v1/tech/apis/users/#elasticsearch-search-engineVia UI
The functionality is nested under the user tab on the upper left nav.
From there click on the advanced button. From there you can enter your query in the search bar. Note: If you want to see how the query is constructed, there is also a toggle - Show Elasticsearch Query https://fusionauth.io/docs/v1/tech/core-concepts/users/#user-search can guide you through a simple user query.