GMAT Essays (AWA)

Hi! Experts,

Need some pointer on AWA viz.

(i)During analysis of an arguement can we use the word "i" as it says we are not supposed to express our views on the same.

While giving an arguement,how we should proceed?which letters should be preferred?

(ii)Is the same rule applies during Analysis of an Issue as well?

(iii)During paragraphs,can we highligh the reasons using points for eg.

i counter argue on above because of the following reasons viz.

(a)
(b)

or the entire text needs to be descriptive.

kindly suggest.