Welcome to the Q&A Forum

SEOmoz tools like many others will give you and competitive advantage because the information they provide, but you need to know how to use that info, if you are new in the seo world i recommend you to read http://www.seomoz.org/beginners-guide-to-seo that is really good and easy to understand, while you reading you may understand how to use the info that SEOmoz tools provide you. Regards,