Yes. Per the support matrix (https://www.vmware.com/pdf/vrealize-automation-62-support-matrix.pdf#page4) the psc is supported however you must keep the default tenant in the psc vsphere.local. See the footnote on the matrix.
As far as using the psc or the identity appliance there are differing opinions. I prefer the identity appliance but I'll refer back to your previous thread on this topic for some reasoning on why you may choose one or the other. identity appliance or vcenter sso