How do multiple SS blocks in a SS burst help?

Hi

There can be a maximum of 8 SS/PBCH Blocks within a SS Burst Set in FR-1.

As I understand, Beam forming/sweeping is not employed at these frequency bands.

How do multiple SS blocks in a SS burst help, especially in fc<3GHz where 4 SS blocks can be configured?

How else can they be used if not for beam sweeping?