Yeah, sure. You can always have an account dedicated only to these topics and not link them to your main accounts, making it more difficult to link the AI to your identity.
There is more to learn about privacy in AI, the problem is that the best models are centralized and closed, Venice.ai is pretty bad, for now.
But you have in Hugging Face https://huggingface.co/ - Donut (Document Understanding Transformer): - Model designed to interpret documents, combining OCR and language processing capabilities.