It means your application reached Nova Scotia.
With your application number have you also got your PER (Positive Eligibility Review)?
YES
The communication that you got is quite standard. Nothing to worry at this point. Your background checks etc must be going on now. Please remember that Buffalo VO is rather slow...so there might be a bit of delay (
Follow NKKD Hortons timelines...you will get a clear picture). Infact this communication establishes the fact that your application has successfully reached Buffalo VO and is under porcess right now! So this is a good news actually, coz people have waited months just to know if their application has indeed rchd the VO.
Trust this helps!
All the best for further processing