Hi akiffyavuzz,
Thanks for reaching to us and appreciate your patience.
Further, you can read more about the Layout Builder here: https://xtemos.com/docs-topic/woodmart-woocommerce-layout-builder/
In case you asking about how to enable page builder for layout post type, so Navigate to Elementor > Settings > General.
Under Post Types, check the option for Layout as shown here: https://ibb.co/BTXTTkm.
Regards,
Hung PD