The data you create and store on Dock is completely private, there is no public profile associated with your Dock account.
Your Dock account is a hub for you to update the data that is being shared across various applications in the Dock ecosystem. Only the applications that you connect to your Dock account will be able to access and update your data. You have complete control over which applications are connected. When you share your Dock data with other applications, they may create public profiles for you so it is important to always reference the terms on various applications so that you are aware of how your data is being treated.