Viya Compute Contexts have an "Identity Type" option, which allows restrictions on who is allowed to use the context. Batch Contexts can be allowed to run-as under specific identities, and so there should also be the option to restrict user access to the context via an "Identity Type" option...because the run-as user may have more privileges than all users on the system should have access to, and there currently isn't an option to prevent them from using any batch context on the system.
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