Microsoft was harder to find. See suggested solutions as well, but here it goes:

Provided Azure (microsoft invoice) use firefox. This was trickier for me to find. https://portal.azure.com/#view/Microsoft_Azure_GTM/BillingProfileMenuBlade/~/invoicesMenuItem/billingProfileId/%2Fproviders%2FMicrosoft.Billing%2FbillingAccounts%2F79ec34e9-a0bf-57ab-7558-5455271b28d9%3A6f116b67-a278-469f-8038-3181ee9ea5bc_2019-05-31%2FbillingProfiles%2FA477-M4T4-BG7-PGB/switchToInvoices/true

Billing properties >> Invoice Section Click on Edwardo Frias >> All transactions >> Found Invoice G001587317. This will Download the Invoice