Unfortunately we do not offer any assistance with this type of task. Purchase invoices must be posted to the accounts individually and this task should be performed regularly on your system by a knowledgeable member of your team.
If you are not sure of how to do this or the impact of posting invoices, we can provide training on how to do this task if required. There is a guide on how to arrange this here,
How to Pay For Khaos Control Cloud Training.