Where do I find IRS help and documentaion?

In the portal you can access the help section from the question mark icon at the top right. You can find full documentation of the new system here IRS - Operational Testing Environment (OTE)

Will reports be available for automated handling e.g. via SFTP (Secure File Access Protocol)?

Once we have a better understanding of your requirements we are happy to explore options and analyse the viability of providing automated handling of reports.

Will there be two OTE registrar IDs for testing?

Yes there will be two OTE registrar IDs for testing.

What is the limit of IP addresses that can be whitelisted for access to OTE?

The limits are 10 IP Addresses for Portal access, 10 for EPP Servers and 10 for Droplist Servers.