Link

Get Started with EPM Cloud Planning

https://www.oracle.com/webfolder/technetwork/tutorials/obe/cloud/epm/EPBCS/GetStartedWithPlanning/index.html

Additional guides:
Getting Started with Oracle EPM Cloud for Administrators: https://docs.oracle.com/en/cloud/saas/enterprise-performance-management-common/cgsad/index.html

Getting Started with Oracle EPM Cloud for Users: https://docs.oracle.com/en/cloud/saas/enterprise-performance-management-common/cgsus/index.html