Which service would you use to automate document processing tasks?

Amazon Textract is a fully managed machine learning service designed specifically for automating the process of extracting text, forms, and tables from scanned documents. This service uses advanced optical character recognition (OCR) technology, allowing users to digitize documents and automatically pull out relevant data without the need for manual intervention. This capability makes it ideal for processing large volumes of paperwork, such as invoices, tax forms, and applications, thus streamlining workflow and improving efficiency.

In contrast, AWS Lambda is a serverless computing service that enables you to run code in response to events. While it can automate certain tasks, it is not tailored for document processing specifically. AWS Glue is primarily used for data extraction, transformation, and loading (ETL) processes in data lakes and data warehouses, rather than direct document processing. Amazon Redshift is a data warehouse service optimized for analytics and business intelligence, not for handling documents or automating processing tasks.

Thus, when the goal is to automate document processing, Amazon Textract emerges as the most suitable option, offering the necessary capabilities to handle and extract information from various document formats effectively.