The correct answer is B. Azure AI Document Intelligence (formerly Form Recognizer).
This Azure service uses AI and OCR technologies to analyze and extract structured data from documents such as invoices, receipts, and purchase orders. It identifies key fields like billing address, invoice number, total amount due, and line items. The service supports prebuilt models for common document types and custom models for specialized layouts.
Option review:
* A. Azure AI Search: Used for knowledge mining and semantic search, not document data extraction.
* B. Azure AI Document Intelligence - # Correct. Designed for form and invoice extraction.
* C. Azure AI Custom Vision: Used for image classification and object detection, not text extraction.
* D. Azure OpenAI: Generates or processes language but not structured document data.
Therefore, Azure AI Document Intelligence is the right service to extract data from scanned invoices.