Permission Set- Allow 'Mark Resolved' For Threats

[SkriptAsylum 0]

Per the title, what is the correct setting to make this happen? I'm looking to make it available to those in the 'Reviewer' Permission Set (which I understand is default of Read-Only) with a tweak or two to an individual parameter.

Edited June 1, 2018 by SkriptAsylum
Tad more info.

[SkriptAsylum 0]

Attached is eventually what I ended up doing (per recommendation from ESET Support).