Hi ,
https://docops.ca.com/ca-single-sign-on/12-7/en/installing/install-the-report-server-and-reporting-databases
Note: Starting April 1, 2016, customers who are new licensees of (CA SSO) do not have rights to access or use the CA Report Server from CA Technologies as a component of the product. Customers who licensed CA SSO before April 1, 2016 continue to have rights to access the CA Report Server from CA Technologies and use the CA Report Server with CA SSO.
CA SSO Report Server strategy
https://support.ca.com/us/knowledge-base-articles.TEC1820619.html
The above KB applies to R12.7 as well .
CA SSO 12.7 can use CABI 4.x. Customer who has the product license prior to 1st April 2016 can use CABI 4.x till end of support 31st Dec 2018. For customer who has product license after 1st April 2016 is not entitled to use CABI 4.x.
Regards,
Leo Joseph.