We are all called to be saints. Simply stated, a saint on anyone who is in heaven. When one is canonized as a saint, this is merely the Church stating that this particular person is indeed in heaven. It is a good practice to read on the lives of the saints, particularly those of our own time, with whom we have a more contemporary understanding. There are many who were canonized in the 20 century and this century, whose heroic lives can teach us much about faith. Any good Catholic book store would have many such books which you could purchase and read.
God bless
Deacon Ed B