In Log&Report > Log Access > Attack, use the Message: Bot Detection Violation filter to check the bot detection violations.
Click the item to view its detailed information. The radar chart is used to compare the current vector with the vectors in training sample set. The red line represents the values of the current vector, while the other three lines respectively represent the minimum value, average value, and maximum value of the vectors in training sample set. The following is the radar chart of a violation, you can see the red line is far apart from the other three lines, which means the current vector is quite possibly a bot.