You can use five pieces of scratch paper (front-and-back) for the test. That -- and a combination of their annotation tools -- has to be used as a substitute.
Yes, definitely go make yourself familiar and comfortable with LawHub interface. They do have highlighting and underlining tools as well as flagging for questions you want to come back to etc.
... idea that because no such tools were found, it means that ... . The fact that no such tools were found isn’t enough ... ’t saying: You’re wrong, tools were found. That would be ... Jones is assuming that because tools weren’t found, it means ...
What tools are you using to study other than 7sage. What I have been doing is using the LSAT Trainer to complement 7sage and its worked pretty well for me. It has made a huge difference for me.