SpacedGroups are great when you have variable width elements you want to uniformly space and wrap to the next line.
<SpacedGroup direction="vertical" xs={24}>
    <SpacedGroup>
      <Button variant="contained">Standard
      <Button variant="contained" type="primary">
        Primary
      </Button>
      <Button variant="contained" disabled>
        Disabled
      </Button>
      <Button variant="contained">Standard</Button>
      <Button variant="contained" disabled>
        Disabled
      </Button>
      <Button variant="contained">More Buttons</Button>
      <Button variant="contained" disabled>
        Disabled
      </Button>
      <Button variant="contained">More Cowbell</Button>
    </SpacedGroup>
    <SpacedGroup>
      <div>Standard</div>
      <div>Primary</div>
      <div>Disabled</div>
    </SpacedGroup>
  </SpacedGroup>
</Playground>Spacing can apply to any elements. The desire to have equal spacing among hetergeneous elements highlights why individual components should not "own" the spacing outside themselves (margin).
<SpacedGroup direction="vertical" xs={24}>
    <SpacedGroup direction="vertical">
      <Button variant="contained">Standard
      <Button variant="contained" type="primary">
        Primary
      </Button>
      <Button variant="contained" disabled>
        Disabled
      </Button>
    </SpacedGroup>
    <SpacedGroup direction="vertical">
      <div>Standard</div>
      <div>Primary</div>
      <div>Disabled</div>
      <Button variant="contained" disabled>
        Disabled
      </Button>
      <div>Disabled</div>
    </SpacedGroup>
    <SpacedGroup direction="vertical" center>
      <div>Standard</div>
      <div>Primary</div>
      <div>Disabled</div>
      <Button variant="contained" disabled>
        Disabled
      </Button>
      <div>Disabled</div>
    </SpacedGroup>
  </SpacedGroup>
</Playground><SpacedGroup direction="vertical" xs={0} sm={8} md={24}>
    <div>Standard
    <div>Primary</div>
    <div>Disabled</div>
  </SpacedGroup>
</Playground>