Assistive devices window appears when trying to use certain features

If you have updated to Sierra OSX, on the startup of Read&Write for Mac if the user clicks the cancel button  when it asks to enable Assistive Devices (please see article at link below) the toolbar will start and all features excluding Prediction, Speak as you type and docking will work.

If you click on one of these features you will be prompted as follows.

Read&Write enable access window

To enable these features please click Enable Access and follow the instructions at the support article on the Sierra update