Check out the current Catechism of the Catholic Church. While the Church is extremely conservative on matters of personal morality and obedience, its criticism of free-market capitalism is just as harsh as its criticism of Marxism.
Social morality meaning the interaction of members of society. The idea that we ARE our brothers’ keepers. JPII is very much against the ultra-capitalist “every man for himself” philosophy and has pretty consistently urged for charitable giving of time, skills and money to the less privileged in any society by Catholics the world over. The Church under the current Pope has consistently been very concerned with social justice worldwide. That’s what’s meant by social morality.