Odoo offers you the solution for most of your business problems, and for your ease, you can bring your Odoo to your mobile device. When you offer offline support in Odoo Mobile App then it helps the user to store the performed actions and then sync them later with Odoo ERP, after the restoration of connection.
Visit - https://mobikul.com/why-offline-support-is-critical-for-odoo-mobile-app/