if you are the controller (or data subject). ChatGPT is the Processor. Otherwise EU controller processing PII in ChatGPT have a problem now.
‘Controller’ means the natural or legal person, public authority, agency or other body which, alone or jointly with others, determines the purposes and means of the processing of personal data.
‘Processor’ means a natural or legal person, public authority, agency or other body which processes personal data on behalf of the controller.