Yes suites are always always included. You can't book cruise only fare for Aqua or Suites. My advice put the PH on hold, get a copy of the invoice to verify and go from there!
On the invoice you should see mention of Retreat either as a line item or in the Promotions section. That means the perk line item charge/credit will be added. Also can check the OBC section, that generally has the $300/$400 pp listed immediately verifying perks are included. With the sail you would get an additional $400 OBC for the cabin as well.