Is there any Oracle process to make performance document read only for worker and manager ?

Summary:

I have created Performance evaluation process with set of task like worker self evaluation, Manager worker evaluation, lock for Calibration >Share performance document.

Other than lock for calibration, is there any process so that I can make performance document to both read only, I think if we change status to complete the performance, then it will be read only. But I don't want to share rating till then, so before sharing is there any Oracle schedule process we have? or any other step can we do?

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