You add the supplier (or find them by tax ID if they already exist), enter the invoice with its date, net amount and VAT, and it is booked as a deductible expense. It's on every plan.
And if none of this was your case?
If you are already a customer, write from inside the app: it arrives with your company attached and gets solved sooner. If you are not one yet, or you want to talk about a migration, about pricing or to the press, that is what the contact form is for.