Further reading
Please refer to the following resources for more information:
- Deriving conversational insights from invoices with Amazon Textract, Amazon Comprehend and Amazon Lex, by Mona Mona, Prem Ranga, and Saida Chanda (https://aws.amazon.com/blogs/machine-learning/deriving-conversational-insights-from-invoices-with-amazon-textract-amazon-comprehend-and-amazon-lex/).
- Amazon Textract documentation for asynchronous operations (https://docs.aws.amazon.com/textract/latest/dg/async.html).