In most cases, 360° image interactions are exploratory and based on real-world context. In those case, stock imagery doesn’t work. This requires that the course author have a camera or other means to craft the images. However, it doesn’t mean you can’t create an interaction using stock 360° images. Here is a cool site that creates stock 360° images using AI.
https://blogs.articulate.com/rapid-elearning/a-simple-way-to-create-360-interactions-in-e-learning/