Before using this parameter, ensure you have the PutObject permission for the output bucket. Additionally, ensure you have the Decrypt, ReEncrypt, GenerateDataKey, and DescribeKey permissions for the AWS KMS key if you decide to use it.
We don't recommend getting the request completion status by repeatedly calling the Amazon Textract Get operation. This is because Amazon Textract throttles the Get operation if too many requests are made. If you're processing multiple documents at the same time, it's simpler and more efficient to monitor one SQS queue for the completion notification than to poll Amazon Textract for the status of each job individually.
Results can be retrieved only up to 7 days of job initialization time.