Sorry to say but it wouldn’t be directly possible with the default WooCommerce Single Product page layout.
But if you want you can try using the WoodMart Layout Builder to create a Custom Single Product layout and in that change you can remove the Add to Cart button and add a simple button with a custom link that you want to add. Here is the guide to creating Custom Single Product layout: https://xtemos.com/docs-topic/single-product-page-builder/
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