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