Nobody on scene can see anchor force. You find out by comparing it with what the anchor can hold, and by knowing the signs that it’s carrying more than you built it for.
The lowest rated strength in the anchor: a sling, a picket, the redirect pulley’s attachment.
The numbers above assume everything is working as rigged. These are the cues that it isn’t, or that the anchor is getting close to its limit. Highlighted items apply to the setup above.