I’ve never heard of Dokan before your post, so probably not. A cursory glance at their docs suggests their data is indeed stored as simple meta - meaning they can be fetched as any other WP meta:
So if you read the first link I left, and the second, you should be able to piece it together.
Hi @Mehdimoradi - I noticed we’re working on similar custom field implementations in Bricks. Since you’ve already tackled this, would you be open to discussing your approach? I’d love to learn from your experience.