If you copy and paste items onto multiple artboards and then try to select only items with the same color, or line style, etc., it selects all items across all artboards.
You should be able to use global selection tools confined to only 1 artboard (or able to click specific artboards).
If you copy and paste items onto multiple artboards and then try to select only items with the same color, or line style, etc., it selects all items across all artboards.
You should be able to use global selection tools confined to only 1 artboard (or able to click specific artboards).