Hello,
Navigate to Products > Attributes > edit Attributes and enable the option Change product image on attribute click.
Enable the Additional variations images option in Theme Settings > Shop > Variable products: https://take.ms/aRzS2 and upload and appropriate images to the variations: https://take.ms/MiDHc Then the images will change by clicking on the swatches.
Please read and follow the instructions provided here: https://xtemos.com/docs/woodmart/variable-products-swatches/
If the issue remains, Please deactivate the third party not related to our theme and check the issue.
Best Regards.