Yes, they’re planning to use ChatGPT to fill out the documents which show that the nuclear reactor is safe:
The generative AI experiments tap in to Microsoft’s investment in OpenAI, creator of the viral chatbot ChatGPT. For the past six months, a team of Microsoft employees have been training a large language model with U.S. nuclear regulatory and licensing documents, hoping to expedite the paperwork required for such approvals, which can take years and cost hundreds of millions of dollars.
Pretty much what it sounds like