If you experience issues with the Order Tracking Link not being displayed on your Magento store, you can follow the steps listed below to fix this:
1. Check if the module is enabled
2. Clean your Magento Cache
3. Check the Theme Header file as it should work out of the box with the default Magento 2 theme.
If you have a custom theme, simply add the following link into the Header or Footer of your website: https://www.yourwebsite.com/index.php/wesupply/track/shipment/
See how the Order Tracking link is displayed into the store's header: