Hello,
Importing a new demo can overwrite existing content or settings on your current site, Try to create a staging site: https://www.wpbeginner.com/wp-tutorials/how-to-create-staging-environment-for-a-wordpress-site/
On the staging site, go to WoodMart > Prebuilt websites > Select Pottery demo and import it. and you can copy or export the desired sections or export the theme settings to the live site. or other content types without affecting the live site.
Alternatively, we encourage you to utilize the theme template library and import the relevant elements that best suit your requirements: https://xtemos.com/docs-topic/templates-library/
If you have any questions, please feel free to contact us.
Best Regards,