Of course you can view a Tiktok profile without creating an account if you know username.

If you forget your username, phone number, or the other login method you used to log into TikTok, you can look up all your login methods by entering the email associated with your account on the account recovery page. If you forget your password, you can also use your email to reset your password.

In the TikTok app, create a post. 2. On the Post screen, tap Location to search for a location or choose one of the suggested places below the search bar or Location. These lists of places are recommended based on popularity and proximity.