In short, yes, but it is not refund back to your card or source of payment.
According to our autopurchase terms we transfer your payment from reserved funds to your available funds on the account.
When you pay for autopurchase task, you pay for availability monitoring service which watch for your domain. This service is provided to you in full, it is checking your domain all the time till the task end date.
When autopruchase task ends by the date, by action or by domain status it sends notification and unlocks reserved funds and makes them available for new payments on service.
You can spend your available account funds for new autopurchase task , for usual domain registration or for other payments on the service.