As a part of the Partner plan, you are given 500 sq km of SkySat quota every month. This does not include access to Tasking Dashboard.
Partner plan includes:
PlanetScope, RapidEye Archive, Landsat, and Sentinel imagery - 1000 sq km Daily Quota
SkySat imagery - 500 sq km Monthly Quota
Global Basemaps - 25,000 Base map tiles Monthly