VideoStew generally provides support for standard mp4 video files. It is not possible to embed links in these standard videos. Links on videos from platforms like YouTube or TikTok are added by uploading options provided by the platform, and link overlays are added to the video on the user's screen. In other words, depending on the platform, it is a feature provided by the platform, so when you upload the video rendered from VideoStew, please proceed according to the settings of the platform.