Which AWS service or resource will meet this requirement?

Explanations:

The AWS Cost and Usage Report provides insights into usage and billing information but does not contain data regarding security configurations, such as whether MFA is enabled for users.

IAM credential reports offer detailed information about the IAM users and their access keys, including whether MFA is enabled. This is the appropriate service to verify MFA status for all users.

AWS Artifact is a service that provides access to compliance-related documents and reports. It does not provide information on user authentication methods, including MFA settings.

Amazon CloudFront reports focus on content delivery metrics and do not provide insights into user authentication or security settings related to IAM or MFA.