In our company, Designers do not own the project or the proof. They are only working with the Project Manager who provides all the direction and information on the proof and therefore need to be able to manipulate the comments so that the designers don't have to read through all the back and forth, ...

Plus one. We have a weekly meeting on a Friday that needs to be a task within a project, different people are assigned to attend each week depending on which projects are active that week. Would love to be able to calculate to a specific day of week.