Question on token charges

Hi, I have generated a few articles and reviewing the charges. please see attached screen. 1. I am using Title based articles posts. I have disabled Category generation using AI but I still a a OpenAI API call and hence charge for it. When Category is assigned, why is it making a call to OpenAI. How can I stop that? 2. I also noticed two separate calls for content and tag generations. is that correct?   Thanks