Please follow the steps to sync the categories
Step 1. Go to the Integration module > Ecommerce Channel tab > Integrated Webstore like "Woo Commerce"
Step 2. Click on the Three vertical dots and click on the "Sync Categories" tab
This will help in aligning or updating the categories between different sales channel and order management system.
Note : This feature is currently enabled for the webstore like
1. Magento
2. Woo Commerce
3. Prestashop
4. Opencart