It is technically possible to render a Sesami button (either using SDK or storefront script) in any platform or CMS, but if it is outside Shopify, will need to handle order creation.
Important Note: We recommend hiring a Shopify expert to do this for you. This requires a good knowledge of the Shopify platform and its APIs.
For more information, check our page Sesami Developers:
https://sesami.dev/docs/storefront-integration-advanced/custom-pages/#in-an-external-website