If you are having your app/product/portal then Quicksight offers embedding capabilities using seamless authentication and powerful APIs. For clients who are looking to embed Quicksight offers SAML integration.
At Helical we have got ample experience of implementing Single Sign On. So if you are looking to embed Quicksight analytics within your own product and looking to implement Single Sign On for a smooth user experience for your end users look no further. Please get in touch immediately for organizing a free demo and POC.