Precursive Boards OWD sharing settings are set as Private with Access Granted Using Hierarchies enabled by default. However, default settings can be changed and here you can learn how.
Learn how to manage users access to Precursive OBX by assigning them a Package License and the correct License Type.
Users need to be assigned a Package License to access Precursive. Learn how you assign them Precursive OBX Package Licenses.