Skip to main content
A PDF-centric workflow where Chat agents interact with vector databases to store and retrieve information from PDF documents, enabling natural conversations and intelligent question-answering capabilities.
The user uploads a PDF and asks questions; answers cite the indexed content.

Quick Start

1

Install Package

Install PraisonAI Agents with PDF chat support:
2

Set API Key

Set your OpenAI API key:
3

Create Script

Create a new file chat_with_pdf.py:

PDF Processing and Chat Agents

PDF processing involves indexing the document content for efficient retrieval during chat.
The simplest way to create a PDF chat agent is without any configuration:

Advanced Configuration

For more control over the knowledge base, you can specify a configuration:

Multi-Agent Knowledge System

For more complex scenarios, you can create a knowledge-based system with multiple agents:

How It Works

The user uploads a PDF and asks a question; the agent retrieves the most relevant chunks from the vector store and answers from them.

Understanding PDF Chat Agents

What are PDF Chat Agents?

PDF Chat agents enable:
  • Natural conversation with PDF documents
  • Intelligent information extraction
  • Context-aware document understanding
  • Quick answers to document-specific questions

Features

PDF Processing

Process and index PDF documents efficiently.

Natural Chat

Have natural conversations about PDF content.

Smart Retrieval

Intelligently retrieve relevant information from PDFs.

Context Awareness

Maintain context throughout the conversation.

Troubleshooting

PDF Issues

If PDF processing isn’t working:
  • Check PDF file format and encoding
  • Verify document accessibility
  • Enable verbose mode for debugging

Chat Issues

If chat responses aren’t accurate:
  • Check PDF indexing quality
  • Verify question clarity
  • Monitor context retention

Best Practices

Run pip install "praisonaiagents[knowledge]" before indexing PDFs. Core install alone lacks Chroma and document parsers needed for retrieval.
Scanned image-only PDFs index poorly. Prefer native text PDFs or run OCR upstream so chunking and embedding capture meaningful content.
Set path and collection_name in your Chroma config so re-indexing does not wipe prior embeddings between restarts.
Ask about sections, figures, or claims in the PDF rather than open-ended prompts — retrieval quality depends on query–chunk alignment.

Next Steps

AutoAgents

Learn about automatically created and managed AI agents

Mini Agents

Explore lightweight, focused AI agents
For optimal chat experience, ensure your PDFs are properly formatted and text-searchable.
Give agents a searchable knowledge base from your documents.
Retrieve relevant chunks from large document sets at query time.