Permissions, feature by feature

Decide what each person can see and change.

Settings → Team. Permissions are set per member.

List Permissions

For each of your lists, choose whether each member can see it and whether they can edit it.

Feature Sharing

None hides it, View is read-only, Edit can add and remove. For Reviews and Notes, Own gives the member their own separate reviews or notes.

FeatureTypical VA setting
Gated BrandsView
Avoided SuppliersView
TagsEdit
ReviewsEdit, so you can see what they reviewed
NotesEdit
BoughtEdit if they record purchases
AnalyticsView or None
Saved ViewsView, so they only use views you built
ASIN.so Search ShortcutsView
Export LeadsOff unless needed
To Buy & Bought exportOff unless needed. Needs Bought View or Edit, and includes Append to [sheet]. Bought Edit also allows Import.