diamond-tipped edges. this will allow it to cut through the stone or concrete. a blade meant for cutting wood will not make it through the paver and could damage the blade and possibly even the saw as well.
even with the right blade you must be careful with your cuts. it’s usually best to start with a light cut. raise the blade and don’t penetrate the paver entirely on the first run over the mark. you then lower the blade and finish the cut on the second pass over the mark. some people even extend it to a third cut before cutting all the way through.
you can also use a table 