I accidentally purchased a Stock video file--how do I go about getting a refund and returning that element?
Videos are only purchased on demand and are not refundable.
Also, you may refer to Legal subscription terms | Adobe for more details.
For further assistance please contact our support team Support FAQ: How can I contact Adobe for support?
In case you are unable to reach support through the above-mentioned link, please see Contact Support FAQ: Unable to reach support through the "Contact US" link
Feel free to update this thread in case of any additional questions.