Automatically sync files from Amazon WorkDocs to Amazon S3

Are the policies listed in the following documents attached to the IAM users, etc. you are operating?
https://docs.aws.amazon.com/workdocs/latest/developerguide/manage-notifications.html

{
    "Version": "2012-10-17",
    "Statement": [
        {
        "Effect": "Allow",
        "Action": [
            "workdocs:CreateNotificationSubscription",
            "workdocs:DeleteNotificationSubscription",
            "workdocs:DescribeNotificationSubscriptions"
            ],
        "Resource": "*"
        }
    ]
}