docs: clarify PR review eligibility (#378)

Signed-off-by: electricplayer <40640596+electricplayer@users.noreply.github.com>

Author: hardikkgupta

docs/guides/code-review-overview.md

@@ -4,6 +4,8 @@ description: An overview of CodeRabbit's core code review features.
 sidebar_label: Overview
 ---
 
+import ProPlanNotice from '@site/src/components/ProPlanNotice.mdx'
+
 The central feature of CodeRabbit is its ability to proactively review
 new pull requests on your code repository.
 
@@ -14,6 +16,15 @@ This information, usually added to pull requests within minutes, can help your t
 The following sections present an overview of this feature. For a hands-on example that lets you experience a CodeRabbit code review using
 a real repository, see [Quickstart](/getting-started/quickstart).
 
+## Review eligibility {#eligibility}
+
+CodeRabbit will review your pull request if one of the following is true:
+
+- **Public repositories:** CodeRabbit reviews every PR by default.  
+- **Private repositories:** CodeRabbit reviews PRs only when your organization has a Pro plan **and** you have an assigned seat.
+
+<ProPlanNotice />
+
 ## Automatically review pull requests {#review}
 
 After you [integrate CodeRabbit with your repository](/platforms), CodeRabbit proceeds