With the integration of SAP ERP with Magneto, you can perform bidirectional communication of orders, sales, and other business data. To check if there is an existing connector, you can reach to SAP support. There are various other vendors in the market who provides ERP-Magneto integration.
Integration of ERP-Magneto provides benefit like flexibility, data synchronization, reliability, and security.
You can try this link- https://ecommerce.aheadworks.com/magento-extensions/erp-integration.html
This says that with some customization, you can integrate your ERP solution with Magneto. For integration, your ERP provider has to implement the option to read/write the required files/data to/from the ERP system. For any ERP software integration, it doesn’t take much effort and you can easily customize integration solution in 6-7 days as per requirement.