TikTok users with business accounts have access to features that aren’t available to everyone, such as the ability to add a website URL to their profile. If you already have a personal TikTok account and you want to turn it into a business account, our guide will show you how this is done.
https://www.adweek.com/social-marketing/tiktok-how-to-turn-a-personal-account-into-a-business-account/