You can find more information in the release notes at https://docs.hyland.com/ImageNow/en_US/ ... _7.2.x.pdf, page 15
Also from the release notes:
Customers who currently own Full Text Agent and are considering an upgrade should contact their rep to execute a $0 swap quote to obtain the necessary installers and license.Perceptive Enterprise Search provides full text search against Perceptive Content 7.0 and higher. For more information about Perceptive Enterprise Search, contact your Hyland representative.