I am sure someone will have a map but in the meantime...when we were there in JANUARY, there were kiosks by AT MK near Mickey's Philharmagic, the walkway between Country Bears and Adventureland, and Town Square Theater. I can't speak to if they have added more locations. I also can't speak for the other parks. We "stayed true" to our FP+ we had and did not change anything (before the addition of the additional FP+).
If you go to the Disney World website and look at the interactive maps, the kiosks have been added as a feature and have their own icon.
If you go to the Disney World website and look at the interactive maps, the kiosks have been added as a feature and have their own icon.