How to get a refund for FineReader PDF for Mac purchased through App Store?
All applications, including ABBYY applications, which you purchase in App Store are associated with your Apple ID. We do not have access to your purchase history, it is connected with your Apple ID.
The company which can refund your purchase made in App Store is Apple. To refund your purchase, please follow the steps from the Apple Knowledge Base article: Request a refund for apps or content that you bought from Apple.