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We revisited the formalism of 11D polarized scattering equation by Geyer andMason from the perspective of spinor frame approach and spinor moving frameformulation of the 11D ambitwistor superstring action. In particular, werigorously obtain the equation for the spinor function on Riemann sphere fromthe supertwistor form of the ambitwistor superstring action, write its generalsolution and use it to derive the polarized scattering equation. We show thatthe expression used by Geyer and Mason to motivate their ansatz for thesolution of polarized scattering equation can be obtained from our solutionafter a suitable gauge fixing. To this end we use the hidden gauge symmetriesof the 11D ambitwistor superstring, including $SO(16)$, and the description ofambitwistor superstring as a dynamical system in an 11D superspace enlarged bybosonic directions parametrized by 517 tensorial central charge coordinates$Z^{\underline{\mu} \underline{\nu}}$ and$Z^{\underline{\mu}\underline{\nu}\underline{\rho}\underline{\sigma}\underline{\kappa}}$.  We have also found the fermionic superpartner of the polarized scatteringequation. This happens to be a differential equation in fermionic variablesimposed on the superamplitude, rather then just a condition on the scatteringdata as the bosonic polarized scattering equation is.  D=10 case is also discussed stressing the similarities and differences with11D systems. The useful formulation of 10D ambitwistor superstring considers itas a dynamical system in superspace enlarged with 126 tensorial central chargecoordinates $Z^{\mu\nu\rho\sigma\kappa}$.

On polarized scattering equations for superamplitudes of 11D supergravity and ambitwistor superstring