You have can add permissions to your title via the Bulk Upload speadsheet - see more information here.
To add or edit permissions on individual title, make sure the rights to the book are assigned to your account.
Once this is done, go to 'Edit' under My Books, and navigate to the book you would like to add permissions to. Click the 'Manage Permissions' button at the bottom of the page then click 'Assign Permissions'. Fill in the form. The permission will need to be approved by Admin before it shows up on your profile."
When adding your permissions via the platform, you will also see the option to choose between General pricing, or differentiating between prices for Business and Academic institutions.
See more information on how permissions are listed on the IPR License platform here.