Under the Affiliates permission group (only available with the module): List Affiliates and Edit Affiliates for the Affiliate Users pages (editing also covers the Assign User / Backfill actions), List Affiliates Rules and Edit Affiliates Rules for the rules pages. The Affiliates entry in the Sales permission group ("sales_affiliates") is needed for the Affiliates Report, including marking commissions paid and creating payouts. The Affiliate Coupons field additionally requires Edit Coupons's.