Hi Pawan,
Yes, you can consume the SAP HANA Views and Procedures from default and other schemas using ADBC classes provided the technical user which is used for the secondary Database connection has necessary authorizations in that respective schema . In this blog i have explained how to consume SAP HANA procedures in side car approach.Consuming SAP HANA Procedures from ABAP [In Side Car Approach]
Hope this helps.
Thanks,
Karthik