To find the Embed module, Please go to “Pages > Add New”, click “BM Content Builder”
To insert a video to the page, you need to copy and paste the embed code of the video. It supports Youtube, Vimeo, and all embed videos from video sites.
For Vimeo and Youtube video, you could directly copy/paste the link(url):
You could set autoplay. Due to most browser vendor policies, the autoplay video must be muted. See demo.
You could set cover image and ratio for a embed video: