No matter what kind of rotational grazing system you have... you can't schedule the rotation.
How much grass you have will be determined by the weather, hot or cold and dry or wet.
There will be some periods of time when no grass will grow, so no animals should be grazed on it. This is often why there is one sacrificial pasture, where the animals can stay for a full month, or more. It is often most convenient to have the sacrificial pasture next to the barn, since clearly with zero grass, the animals will need feed daily.
Not sure those pastures are big enough for sheep....
They definitely wouldn't share the pasture and I would let it rest and recuperate before putting a new species on it. The only thing I run behind any other animal is letting the egg layers do their work behind...well...everything and every one... They clean it all up...Would you set up a different pasture for sheep? I’ve always heard not to run goats or sheep behind pigs because of the parasites the pigs have. Have not experienced that myself.