I'm using AWS's textract for documents, but it doesn't seem to have any detection for if the text is in bold. Is there something I'm missing or is that just not a feature?
Bold text detection does not appear to be a current feature in Textract.
The Textract API returns lines and words of text in a Block object.
The Block object data type is documented at https://docs.aws.amazon.com/textract/latest/dg/API_Block.html and does not have any properties related to the font weight (such as bold).