# N-Tier Visibility
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You can use N-Tier Visibility for the following:
+ Forecast collaboration allows you to share component level forecasts generated from a supply plan with your trading partners and get their supply commitments. AWS Supply Chain only supports component forecasts generated by Supply Planning to be published to trading partners.
+ Purchase Order (PO) collaboration allows you to share purchase orders and obtain confirmations from your trading partners on quantities and delivery dates. Purchase order collaboration is enabled only on POs associated with Work Orders that are part of Work Order Insights.

**Topics**
+ [Using N-Tier Visibility for the first time](ntier_firsttime.md)
+ [N-Tier Visibility dashboard](ntier_overview.md)
+ [Responding to requests as a Partner](partner_response.md)
+ [N-Tier Visibility settings](ntier-settings.md)

If you are an AWS Supply Chain partner, you can do the following:

1. [Reviewing and accepting partner invites](partner_response.md#partner_invites_ntier)

1. [Reviewing and accepting purchase orders](partner_response.md#reviewing_purchase_orders)

1. [Reviewing and accepting forecast commits](partner_response.md#reviewing_forecast_commits)