Ah..found the answer here...
"The original Sonax PF (said to be made for rotary) was flamed for filling defects in some instances rather than actually removing them. IIRC the explanation was that certain components of the polish would not break down with the lower heat of the DA machine vs. Rotary. It was a loved polish for a while, until "Filler-gate" and then the professional world sort of fell out of love with it pretty quickly.
They later released EX 04/06 as an update for DA use with a new formula...
"This unique formula was created specifically for use with dual-action or random orbital polishers and the abrasives break down consistently to help you produce the high amounts of depth and gloss. EX 04-06 is water based and contains no solvents, silicones or petroleum."