Hello,
First of all thanks for choosing our Theme, we are glad to be you in the WoodMart WordPress family :)
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1) For the cart page you need to create a new page named cart or whatever you want and add the following Shortcode Inside the page and publish.
[woocommerce_cart]
2) For the Checkout Page you need to create a new page as well and add the following shortcode inside it and publish.
[woocommerce_checkout]
Then you need to add them as the pages from WooCommerce >> Settings >> Advanced.
Screenshot for Clarification: https://ibb.co/rx0LzN2
Best Regards.