Yes! You can embed the same video in as many different pages as you want. Embedding pillar video content in multiple posts is one of the best ways you can maximize the revenue return from a single video.
You can also embed more than one video on the same page — as long as it’s not the exact same video embed code. For example, if you have a video about baking a cake and another video about making frosting, you can add them both to the same page.
Check out this article for ideas on ways you can make a video to apply to as many posts on a single subject as possible, and for ideas to create multiple videos for the same post!