Hi! By default, the plugin should show taxes the same way WooCommerce does in the email sent to the customer. Here’s an example:
If you don’t see any taxes in the invoice at all, it is an indication your taxes in WooCommerce may not be configured correctly. If taxes are calculated for an order, the backend should reflect this:
If you don’t see the taxes here, check your WooCommerce tax settings!
If you need more advanced display of the taxes in the invoice (per line item, and split in the totals as separate rows per tax rate), then you can do this with the Premium Templates extension. With the customizer this allows you to configure the price display to your own preference: Using the customizer
Let us know if you have any other questions!
Ewout Fernhout