No.
• Here are the valid status codes:
https://dreamxtream.wordpress.com/2011/04/18/netsuite-transaction-status-codes/
• You cannot Cancel a Sales Order via script, that I know of. You can only Close it by closing all the lines.
• You should be able to set Pending Billing using the status codes above, unless the Sales Order needs to be fulfilled, in which case it will depend on your company's Accounting Preference for billing in advance of fulfillment