• User2 must be able to view reports and schedule the email delivery of security and compliance reports.

The Security Reader role can view reports but not schedule the email delivery of security and compliance reports.

The Exchange Online Compliance Management role can schedule the email delivery of security and compliance reports.

In the exhibit, seamless single sign-on (SSO) is disabled. Therefore, as SSO is disabled in the cloud, the Sales department users can access only on-premises applications by using SSO.

In the exhibit, directory synchronization is enabled and active. This means that the on-premises Active Directory user accounts are synchronized to Azure Active Directory user accounts. If the on-premises Active Directory becomes unavailable, the users can access resources in the cloud by authenticating to Azure Active Directory. They will not be able to access resources on-premises if the on-premises Active Directory becomes unavailable as they will not be able to authenticate to the on-premises Active Directory.

• User3 must be able to manage Office 365 connectors.
• The principle of least privilege must be used whenever possible.

Office 365 connectors are configured in the Exchange Admin Center.

You need to assign User3 the Organization Management role to enable User3 to manage Office 365 connectors.

A Global Admin could manage Office 365 connectors but the Organization Management role has less privilege.