If the customer would like to show the WordPress Biographical info, inform that we do not have the option to sync the Bio Info from WordPress and show it on the user's profile page. It will require customer work.
However, you can suggest to customer to create a new field set by following the steps below.
Go to your BuddyBoss Dashboard - Profiles. Click on New Field Set. Enter "Biography" under Name and click on Save button. Tap on the Biography tab and click Add new Field
On Add New Field page, enter the name, choose Paragraph Text under Type. On Visibility, choose Public and tick on Allow members to override. Hit on Save.
Your users will be able to enter their Bio by logging in to their account, Edit their profile.