SAP & Excel Invoice Automation

I want to clean up and speed up the way we handle vendor and customer invoices. Right now the flow touches SAP FI, MM and SD as well as a set of Microsoft Excel workbooks that staff use for preliminary checks... (Budget: ₹1250 - ₹2500 INR, Jobs: Automation, Data Entry, Data Processing, Excel, RPA Development, SAP, Visual Basic, Visual Basic for Apps)