An interactive tour is a series of high-resolution digital panoramic images linked together to give your online visitor a visual view of your business. An interactive tour contains interactive elements that your visitor is able to view to get more insight into your business. These can contain images, video, text, audio, website content etc. An interactive tour is also customized to use your branding i.e. logo and colors.
A Google Street View Tour are digital panoramic images linked together. No branding or interactive elements.