How many changes you can make depends on the version you have.  Stage gives you a relatively limited set of changes (although still useful), whereas Standard gives you a great deal more and Pro lets you do detailed per-note editing.

Stage only supports some of the features of FXP presets, whereas Standard and Pro support all the features, so try FXP Corner.

What precisely you need from these presets is something only you know, of course.  That's why the customization features are so useful.  I don't think anyone sells presets.