is there a way to make buttons that are active for certain users and are not active for others?

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2

Yeah, sure. There are many ways.
The easiest:
I recommend limiting access to the backend because of many reasons.

 if(wixUsersBackend.currentUser.loggedIn === true)
    {
        $w('#myButton').enable();
    }else
    {
        $w('#myButton').disable();
    }