The key reasons why inventory management is important for invoicing are-
A centralized database of all your products/items of sales, ready at your disposal
for invoice creation.
Products are simple to manage and edit to add cost price, sale price, and images to
distinguish.
An inventory management solution helps you get an overview of the stock available,
sales made, and purchase history.
Tax compliance for invoices with easy-to-find and add HSN/SAC codes for different
products.