Amazon Textract is a machine learning service that makes it easy to extract text and data from virtually any document. One advantage of services like Textract is that customers benefit from continuous improvement over time. Today, we are pleased to announce a set of quality enhancements that make Amazon Textract even more accurate. 

from Recent Announcements https://aws.amazon.com/about-aws/whats-new/2019/10/amazon-textract-now-extracts-text-even-more-accurately-from-even-more-types-of-documents/