Odoo should help keeping accurate track on inventory, calculate consumption of inventory based on PoS orders, defined bill of material for all sellable products, defined all products and product variants, manage Wearhouse, transfer products between branches, scraps cost based on products, return scarp for some products, inventory adjustments, hardware integration (barcode reader, barcode printer, invoice printers), manage purchase (Procurement) process , reordering rules, define a Point of sale per branch, assign each point of sale to single branch, configure multiple payments methods (Cash, credit card, delivery orders, checks), defined customer tax (VAT%), defined other taxes paid by the company only like Credit card tax, defined any required routs, set cash control on PoS, Defined any related accounting configurations and required journals with proper mapping for different branches & operations, separate the income and expenses for the various restaurant branches, defined employees with additional variables, payroll & salary structure, expense products & managers for expenses approvals, install odoo instant on Digital Ocean, some security requirements, defend user groups, and user guide for installed modules.