Paginated Report MATRIX consolidates

It's *probably* the way the grouping has been defined in the report. When you create a group, it'll show a row for every unique value. Also, just in case, check that there isn't a second page. 

From your picture, not sure why using a matrix instead of a table, as I see groups only on the rows. 

Try reviewing these links on how to build nested groups. Suggest starting with a basic, single row group, then adding in more groups and details. 

https://learn.microsoft.com/en-us/sql/reporting-services/report-design/create-a-matrix-report-builder-and-ssrs?view=sql-server-ver16 

https://www.tutorialgateway.org/grouping-in-ssrs-matrix-reports/

https://www.red-gate.com/simple-talk/databases/sql-server/bi-sql-server/reporting-services-basics-adding-groups-to-reports/