Does PPC BidMax 4.0 support Yahoo! Sponsored Search system?

YES, PPC BidMax 4.0 fully supports Yahoo! Sponsored Search system.

However, under Yahoo’s upgrade schedule, USA clients can upgrade their account to Yahoo! Sponsored Search system between 11 December 2006 to 3 January 2007. The upgrade for international clients will be available on January 2007.

PPC Bidmax For Yahoo