How to get video link from android apps?

Question

Android

For example, there is a video hosting COUB that has a mobile app. The fact is that on a regular site, a watermark is automatically added to the video from this hosting, so taking a link from the site is not an option, but there are none in the mobile application. Is it possible to get a link from a video in a mobile application? (there is an opportunity to copy the link .., but I'm wondering how you can copy the link if this function had not been added in the application, like is it possible to explore the element or something¿)