Reconstructing the Table of Contents a PDF Forgot to Ship, So RAG Can Scope by Section

# When PDFs Hide Their Structure, AI Can Still Find It Many PDFs have a table of contents printed on the page but lack the hidden digital structure that AI systems need to search them efficiently. This article explains practical methods to reconstruct that missing structure so that AI tools can quickly locate information by section instead of searching the entire document. The fix matters for anyone relying on AI to extract answers from large PDF files, from customer service reps to legal teams.