Request and enable access to "Lexisnexis - Draft Faster" application
Request access to "LexisNexis - Draft Faster" application
Reach out to the support of iManage (via cloudsupport@imanage.com) and request access to the "LexisNexis - Draft Faster" application.
Enable the application in the control center of iManage Cloud
An admin must enable the application in the Control Center via: Control Center > Settings > Applications > +Add Application. The Allow Refresh Tokens option must be enabled, see screenshot: 
More info on this iManage HelpArticle.
Go back to the integration guide to follow the next steps of the integration.