After Author Refund Approved Still Item available download. When author approved refund immediately item access disabled this is correct. I hope this is bug. This case some buyers to use this choice using this loophole.
If your request was approved, Envato will let the customer know. Customer’s request will then be sent to Envato Help Team to be processed. Remember, once Customer’s refund has been processed, Customer’s right to use, download and rate the item is revoked.