Product documentation is available on the Ivanti website. You can jump directly to Ivanti Tunnel documentation at this link.
To use the documentation:
Navigate to the Ivanti documentation website. For example:
Optionally, select a product category and language.
Enter a search term.
Select a product from the results.
Click the associated documentation links.
If you have an Ivanti Neurons for MDM deployment, the Ivanti Neurons for Administrator Guide is also available from your instance of Ivanti Neurons for MDM through the Help link in the user interface. See Accessing online help.