Yes Adfroest support custom Taxonomies. You can do whatever you want.

Yes, You can use it.

Yes Admin can add custom fields as many as they want

Adforest is bulid up with latest trends and coading standards. Yes it's fully customizable with visual composer

Adforest is fully customizable ypu can create whatever you want.

Yes Each user will have there own page and dashboard . And its compatible with Wocommerce.

Yes This theme is Google AdSense supported.Even you can use Image ads if you don't want to use Google AdSense.

Yes Adforest come's with complete Messages solution. You just need to go to your dashboard to see all conversations

Yes From theme options you can select add will be approved automatically or on approval

All Registered user can post free ads, And IF user want to post featured ads then user must need to purchase a plan.

Yes from back end you can change currency options