fixed absolute links

Author: JustPies

articles/cost-management-billing/understand/pay-bill.md

@@ -76,7 +76,7 @@ Refunds are treated as a regular charge. They go to your bank account.
 
 ## Partial payments
 
-Partial payment is available for Azure global pay-as-you-go customers who experience a payment failure during the [Pay Now](https://learn.microsoft.com/azure/cost-management-billing/understand/pay-bill#pay-now-in-the-azure-portal) flow. If you accrue usage higher than your credit card limit, you can use the following self-serve process to split the invoice amount across multiple credit cards.
+Partial payment is available for Azure global pay-as-you-go customers who experience a payment failure during the [Pay Now](/azure/cost-management-billing/understand/pay-bill#pay-now-in-the-azure-portal) flow. If you accrue usage higher than your credit card limit, you can use the following self-serve process to split the invoice amount across multiple credit cards.
 
 A minimum payment has a minimum value that you can pay, which varies by country/region.
 

articles/virtual-wan/virtual-wan-faq.md

@@ -32,7 +32,7 @@ Virtual WAN provides many functionalities built into a single pane of glass. Thi
 * VPN ExpressRoute Interconnectivity
 * [VNet-to-VNet transitive connectivity](virtual-wan-about.md#transit-vnet)
 * [Centralized Routing](about-virtual-hub-routing.md)
-* [Azure Firewall and Firewall Manager security](https://learn.microsoft.com/azure/firewall-manager/secured-virtual-hub)
+* [Azure Firewall and Firewall Manager security](/azure/firewall-manager/secured-virtual-hub)
 * [Monitoring](monitor-virtual-wan.md) 
 * [ExpressRoute Encryption](vpn-over-expressroute.md) and
 * [Many other capabilities](virtual-wan-about.md)