A PDF Chatbot System: Enhancing Document Interaction with Natural Language Processing
Vivek Kumar Singh, Gaurang, S. Rakesh Kumar · 2025
This article provides a comprehensive analysis of the building of a PDF Chatbot System by means of Natural Language Processing (NLP), therefore improving document interaction and accessibility. When users search for specific answers or insights from large PDF files, conventional methods of locating them might be slow and ineffective. The proposed method avoids these challenges by letting users interact organically in simple language with PDF publications. Three of the sophisticated natural language processing (NLP) techniques the architecture uses to comprehend user enquiries and find relevant data are tokenisation, named entity identification, and semantic analysis. A language model anchored on transformers forms the foundation of the text processing system as it offers very accurate query interpretation and replies. The chatbot interface fits many different platforms because to its simple design. Regarding answer accuracy, retrieval speed, and user pleasure the system beats earlier document search methods. Among conflicting choices, the proposed approach stands out for better scalability and contextual awareness. Although the system addresses most issues, several remain unresolved like how to handle challenging questions and interpret non-text input. Emphasising the revolutionary impact it may have on document interaction, the article later on looks at some chatbot applications in commercial environments, legal research, and academic settings.