SBF has several slash commands that you can issue:
/sbf options
Loads the SBFOptions addon and opens the SBF configuration panel
/sbf hide
If the default Blizzard buff frame somehow gets re-shown, this will get rid of it
/sbf fix
If you're having strange problems, this will make SBF try to fix settings in frames
/sbf reset
Resets the current profile to default values, then reloads your UI
/sbf throttle X
For better performance, when you're in combat SBF updates all buff frames on a timer rather than waiting for events to fire. This command lets you change how often SBF performs that update in combat. Minimum value is 0.1, maximum is 0.5, default is 0.2.