You can login and view your SmarterStats by visiting the stats server documented in your account activation email:
Enter the ServerID issued to you, this will be your domain name up to a max. of 32 characters. You will then be asked for your username and password which can be found in your account activation email.
You may need to install your statistics by logging into helm, clicking domains, your domain name, statistsics, click install for smarter stats or awstats (if you need to install the stats).