Light vehicles driving licence category

Hi all,
Am from India living in muscat. recently I got my  license from muscat. my profession in my labour card is engineer and my license class is light vehicles (not privet light).

Which vehicles can I drive...?
Company vehicles (red plate)..?
Does Toyota hayace include in light vehicles...?
What about hillux..(with goods space on back).?

Is there is any problem for carrying my colleague in my red plate car....?

Is there is any problem for carrying my friends other than from our company in company car...? ( Yellow/red plate)

Is this car can be used to cross the border...? UAE ....? If so what are the requirements