AI Document Processing & OCR Solution

I need a compact, cloud-ready system that lets users drop one or many PDFs, have them OCR-processed, embedded for vector search, and then converse with the contents through a fast, text-based chat window... (Budget: $30 - $250 USD, Jobs: API Development, Data Extraction, Docker, JSON, LangChain, Machine Learning (ML), Node.js, OCR, OpenAI, Python)