# Audience for AWS IoT SiteWise security
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How you use AWS Identity and Access Management (IAM) differs based on your role:
+ **Service user** - request permissions from your administrator if you cannot access features (see [Troubleshoot AWS IoT SiteWise identity and access](security_iam_troubleshoot.md))
+ **Service administrator** - determine user access and submit permission requests (see [How AWS IoT SiteWise works with IAM](security_iam_service-with-iam.md))
+ **IAM administrator** - write policies to manage access (see [AWS IoT SiteWise identity-based policy examples](security_iam_id-based-policy-examples.md))