Home & Business (or Self Employed) is for personal returns that include a schedule C for self employment or sole proprietor.
Turbo Tax Business is not available to do online or on a Mac. You can buy the Window's (Win 8 or newer) version here. And you can have both TT Business and TT Home & Business (or any personal version) installed on your computer at the same time.
https://turbotax.intuit.com/small-business-taxes
