You can share Datasets from the Library. These datasets can then be used by members of your team to create other maps. if you give them edit permission then any edits they make will be reflected back in your own dataset and any maps it is used in.
- Click anywhere on a Dataset row to open the Dataset Details window.
- Click on the Actions button and select Share from the dropdown to share the dataset.
- Select Shared within team and choose the User Group and edit permissions you want. You can apply Can View or Can edit permissions.
- Click on the Done button once you are finished.