Easy integration with your IDP (okta/Google), provide an LDAP interface without an on premise AD or Servers. Team is great and willing to implement features we recommend.
Secondly, I am pleased at the reliability with the shear number of LDAPS queries we run.
Ease of use and reliability. When there is an issue, the support staff responds immediately.
There are some problems with authentication during the "password change" user.
There were some features missing for being PCI compliant.
The documentation around setting OTP, MFA are not very specific and hard to find.