No. This is the slowest option for receiving a refund. If you have a problem with the product you downloaded, such as missing information or not as described, contact the merchant / seller first. This article will help you to do so.
If there is no reply after 2 business days, or if the seller is not cooperating, please contact firstname.lastname@example.org. Paypal disputes will cause a delay and could result in the seller blocking you from future purchases.