You define which sections and attributes appear in the Supplier profile and in which order – consistently for all users.
Permission: "manage Profile Layouts" (Key User and administrator by default).
Three ways to configure
centrally under Settings → "Objects" → "Suppliers" → "Supplier individual views",
directly in the Supplier profile via the gear icon at the top right ("Configure profile view"), or
for the right-hand sidebar via its ⋮ menu ("Configure sidebar").
Additionally configured views appear in the profile as separate tabs ("Individual views").