Final answer:
The SSA manager uses the AITMGR transaction to manage permissions for automatic identification technology processes.
Step-by-step explanation:
The SSA manager in the context of automatic identification technology uses different transactions to create and manage permissions. From the options provided, the transaction used by the SSA manager to manage permissions for specific automatic identification technology processes is C) AITMGR. This transaction is integral to configuring and optimizing the access controls and permissions for various processes involved in systems that utilize automatic identification technology.