Create member and group widget on any page by following steps:
Step 1: Navigate to Dashboard >> Pages >> Add New.
Step 2: Enter the title and edit the page via Elementor page builder.
Step 3: Drag and drop Reign members/ Reign Groups widget from the WordPress section.
Step 4: Update the page.
You are all done!
Reign BuddyPress Member Widget Layout
Reign BuddyPress Group Widget Layout