Instead of updating your products, stocks on all your e-commerce sites, let simply Dolibarr synchronize the product stock and product attribuites.
Send Dolibarr products on your e-commerce
And that without using the Magento back-office, send a single product or productlists with a few clics.
A central stock management
Stock and warehouse management, is a typicall ERP function, and of cours you have such functions in Dolibarr. So use it to optimise your product stocks
Yes, stock variation in Doliabrr can be automatically and in real time synchronised with your Magento webshops.
price updates in Dolibarr can be automatically send to your Magento Webshops