Please check the below link
https://help.sap.com/saphelp_hanaplatform/helpdata/en/7f/99b0f952d04792912587c99e299ef5/content.htm
The parent role sap.hana.ide.roles::Developer allows you to use all tools included in the SAP HANA Web-based Development Workbench. To use the debugging features, however, you also need to be assigned thesap.hana.xs.debugger::Debugger role.
