This module create the approval request for creating a Customer Invoice. | Customer Invoice Approval | Approval Request | Customer Invoice Request | Approval | Customer Invoice | Request | Customer Invoice Approve | Approve Request | Vendor Bill Approval | Credit Note Approval | Bill Approval | Odoo invoice approval | invoice validation workflow | customer invoice approval workflow | vendor bill approval workflow | approval management Odoo | invoice approval process | multi level approval Odoo | accounting approval system | invoice authorization Odoo | bill validation control | credit note approval workflow | approval request system Odoo | finance approval workflow | secure invoice approval | invoice confirmation control | approval rules Odoo | accounting workflow automation | restrict invoice validation | approval hierarchy Odoo | invoice approval restriction | vendor bill validation control | manage approval requests Odoo | automated approval process Odoo