Is this the authentication method or flow that is used when an end user launches a SAML application from the Okta end user home dashboard?
Solution: Service Provider (SP) initiated

Is this an expected behavior when an incremental import is performed from Active Directory?
Solution: All users are imported.

Is this a reason to build custom authorization servers in Okta?
Solution: To protect the Okta Active Directory Agents

Is this intimation available from the Okta Trust web page?
Solution: OKta service level agreement (SLA)

An Okta Administrator ran a full import from Active Directory An expected group was NOT imported into OKta. Is this a reason why the group was NOT imported into Okta?
Solution: The organizational unit (OU) containing the group was NOT selected for Import