Unfortunately no, you cannot take admission in M.Sc course through Scholastic Assessment Test (SAT) because it is a postgraduate course and SAT is for admission to undergraduate courses in different countries across the world.
It is known that SAT is conducted by College Board every year. It is an internationally recognized test for admissions to several universities and colleges in the United States, Canada, Australia and other countries. This exam is mainly for undergraduate aspirants who want to pursue their education from the participating institutes of the SAT.
For more details refer to the link given below :-
I hope this information helps you in clearing your doubt.