By default only admins can create BuddyPages. To turn on page creation for all user visit the BuddyPress options page in the Settings menu. Settings -> BuddyPress then click the options tab and find the BuddyPages options section.
Click the checkbox Member Pages and save to allow all users to create BuddyPages.
To access the admin page for the Member pages settings above, you need to visit https://mysite.com/wp-admin/admin.php?page=bp-integrations&tab=bp-compatibility It will be listed under “BuddyPress” integration.