Privileges and common roles may be granted commonly. According to the principles of granting in a pluggable database (PDB), users or roles may be granted roles and privileges commonly only if the grantees and grantors are both common; and if a role is being granted commonly, then the role itself must be common.
See Also:
Oracle Database Concepts for more information about privileges and roles granted commonly in a multitenant container database (CDB), and for a table that shows what phenomena can be granted commonly
Oracle Database Concepts for a detailed scenario of granting roles and privileges commonly and locally in a CDB