After recording, you can cut the beginning and the end of the video. And also, you can re-record it. (Usually recording of the video pitch is divided in 3 parts: Greeting - With Pitch deck - Closing Remark).
After recording all of the required parts, you will be able to check recorded videos again. From here you can go back to any part of the video-pitch to re-record or re-cut it.Choose who can access your video pitch.After checking your video, you will have to decide who will be able to access your video pitch. You can read more about it here.