Thanks for reaching out. The screenshot attached is showing the viewport of the artboard. If you have set a scrollable artboard then this viewport is visible. For more information you can refer to this article: https://helpx.adobe.com/xd/help/create-scrollable-artboards.html
Let us know if this helps or if you need any further assistance.
Thanks for reaching out. The screenshot attached is showing the viewport of the artboard. If you have set a scrollable artboard then this viewport is visible. For more information you can refer to this article: https://helpx.adobe.com/xd/help/create-scrollable-artboards.html
Let us know if this helps or if you need any further assistance.