From the spec, it sounds like all Private Aggregation contributions from a non-k-anonymous bid in a Protected Audience auction will processed. According to the Protected Audience explainer (and the Chrome implementation), the only contributions from non-k-anonymous bids that are counted are those that use the "reject-reason" signal.
From the spec, it sounds like all Private Aggregation contributions from a non-k-anonymous bid in a Protected Audience auction will processed. According to the Protected Audience explainer (and the Chrome implementation), the only contributions from non-k-anonymous bids that are counted are those that use the "reject-reason" signal.