Reference:
https://docs.microsoft.com/en-us/azure/data-factory/concepts-pipeline-execution-triggers#trigger-execution

The Integration Runtime (IR) is the compute infrastructure used by Azure Data Factory to provide the following data integration capabilities across different network environments:
Data Flow
Data movement
Activity dispatch
SSIS package execution
Reference:
https://docs.microsoft.com/en-us/azure/data-factory/concepts-integration-runtime

Reference:
https://docs.microsoft.com/en-us/sql/reporting-services/report-design/tree-map-and-sunburst-charts-in-reporting-services?view=sql-server-ver15