To access Omnichannel Inventory features, users require either the System Administrator profile or the Omnichannel Inventory Manager permission set. You can assign the permission set to users with the Identity user license.
- Assign Permission Sets in Omnichannel Inventory
There are three permission sets in Omnichannel Inventory, the inventory manager, the retail manager, and the merchandiser. The inventory manager has the widest range of access, including read and write permisssion to both inventory and location management. The retail manager has read and write permission to inventory data. The merchandiser only has read permission to inventory data. - Set Sharing Settings for Location and Location Group Objects
Set the sharing settings for the Location and Location Group objects. - Give Order Management B2C Service Permission Set Access to Inventory Objects and Fields
If you use Salesforce Order Management and B2C Commerce, give the Order Management B2C Service permission set access to the inventory objects and fields.