Of course In SIMMS Inventory Software, tasks such as placing Sales Orders on hold in order to prevent the invoicing of the specified SO can be achieved very easily.
SIMMS offers a powerful yet easy to use Quoting module giving your sales team the tools they need to close the sale, you can see the cost, increase the quoted price a percent over the cost and much more.
Sales orders enable you to complete a sale for your customer but instead of depleting stock it reserves the stock, this enables you to invoice or ship against the initial order partially or fully.
With the Fulfillment Manager you can review your sales demand and quickly fill mass amounts of sales orders at once, generate purchase orders for shortages and even transfer items from alternate locations to fulfill the requirements.
With SIMMS you can Generate a new invoice or invoice from entire Sales Order or partially issue a Sales Order as many times as required until the whole Sales Order has been Issued, creating separate Invoice for each partial sales order fill.