The user with Administrator or Monitoring Operator role for the specific tenant can access this tenant's reporting data through REST API.
Requests to Reporting service data access REST API require Bearer authentication. Get the bearer token by a request to ABBYY FlexiCapture application server, using either a Windows account or an ABBYY FlexiCapture account. For a FlexiCapture account, add "/FCAuth" to the application server URL.
Let's see how to authenticate for the default tenant using a Windows account.
PowerShell code sample