“PIM[Product Information Management] is used to store product data & centralize product-related data, streamlining the process of updating and managing accurate information through Omni & other sales and marketing channels.”
There are multiple third party extension available as below
[a] Pimcore-Magento Connector
https://pimcore.com/en/developers/marketplace/divante-ltd/pimcore-magento2-bridge_e7746
[b] Magento 2 Viamedici PIM Integration
[c] Magento 2 Akeneo Connector