Sage 300

If/when a user overwrites the system default with something else does Sage have the ability to prevent/warn the user? Note: this has been asked in Sage Ideas ( https://www5.v1ideas.com/TheSageGroupplc/Sage300ERP/Idea/Detail/13565) but I thought I would…

Our client runs Sage 300 Version 2016 and have multi locations where they sell from. They want Orders, Shipments and Invoices to have different prefixes as per the locations they are sold from. Is this achievable? All responses will be highly appreciated…