> ## Documentation Index
> Fetch the complete documentation index at: https://support.pexcard.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Advanced Features

> Explore advanced PEX capabilities, including linked accounts and sub-accounts and corporate single sign-on via SAML 2.0.

<CardGroup>
  <Card title="Linked Accounts and Sub-accounts on All Programs" href="/administrator-guide/linked-accounts-and-subaccounts-on-all-programs" icon="users" horizontal />

  <Card title="Corporate SSO via SAML 2.0" href="/administrator-guide/corporate-sso-via-saml-20" icon="shield-check" horizontal />
</CardGroup>