You can create a hdbrole in your HANA database with the following statements to have all the rights you need.
SQL
role <your package name>::<your role name> {
--Object Level
--!SELECT RIGHTS on PUBLIC SCHEMA!
--Field Level
catalog sql object "_SYS_BI"."BIMC_ALL_CUBES": SELECT;
catalog sql object "_SYS_BI"."BIMC_PROPERTIES": SELECT;
catalog schema "_SYS_BIC": SELECT;
--rights for all other schemas that should be part of the export files
catalog sql object "_SYS_BI"."M_SCHEMA_MAPPING": SELECT;
catalog sql object "_SYS_BI"."BIMC_ALL_SOURCES": SELECT;
catalog sql object "_SYS_REPO"."ACTIVE_OBJECT": SELECT; --only in case of XSC development
}