Yes, the virtual tour can be embedded in your website. The tour can also be put on a tab on your business’ Facebook Page.
From the Google Business Photos Website FAQ
Yes, we encourage you to share the walk-through experience of your business with your customers. To embed the 360-degree panoramas on your website, simply find the HTML snippet from a good point of view of the panoramic imagery on Google Maps, click on the “Link” button , click “customize and preview embedded map,” and then copy and paste the HTML to embed in your website. If you’re looking for even more customizability with your images, check out the Google Maps API.