If you're considering PuppeteerSharp for PDF generation, here's the version of the story that doesn't show up in the "getting started" docs.
ComfyUI-IF_AI_tools is a set of custom nodes to Run Local and API LLMs and LMMs, features OCR-RAG (Bialdy), nanoGraphRAG, Supervision Object Detection, supports Ollama, LlamaCPP LMstudio, Koboldcpp, ...