SEO Pages functionality is part of the Power add-on. For the Pages functionality to appear you must enable pages under the General / Server tab. When “enable pages” is checked your locations will automatically be set to show that they have pages under the locations manager. They are set as draft by default. They will have unique ids. You will also see the Store Locator Plus logo with STORE PAGES appear on your WP menu sidebar.
The Gravity Forms add-ons are available to purchase at Store Locator Plus.
“Gravity Forms Locations” by De-Baat (free) is available from the WordPress Plugin Directory and works with Store Locator Plus. The paid version, Gravity Forms Integration is available as a paid add-on , available at the Store Locator Plus home page under Third Party Add-ons and provides extended capabilities.