We won't be able to download the video without the watermark if the author watermarked it when posting it to TikTok. However, you can use HitPaw Watermark Remover to remove watermarks from downloaded TikTok videos or read this post for a great way to remove TikTok video watermark: How to Remove TikTok Watermark 100% Reliable Solution to find a fantastic way to remove TikTok video watermark.