Oracle Cloud ERP (Fusion ERP/SaaS) – Documentation Navigation
Learning is the key to success and the right guide always provides the best source for it, lets check the Oracle latest docs for each component of Oracle Cloud ERP (Fusion Apps- SaaS).
The Ultimate Source of Oracle Documentation URL For All the Products of oracle:

For All Oracle Cloud ERP (Fusion Apps/SaaAS) Documentation Modules
https://docs.oracle.com/en/cloud/saas/index.html

Financials Docs
Docs are designed such a way that, once you navigate to module specific URL, all the docs specific to reports, integration, fbdi, tables etc will be available in this and you can see the below screenshot, where in the left side you have the links for Reports, Integration, Security etc
https://docs.oracle.com/en/cloud/saas/financials/20d/index.html

BIP Reports
https://docs.oracle.com/en/cloud/saas/financials/20d/analyze-and-report.html

FBDI List
https://docs.oracle.com/en/cloud/saas/financials/20d/administer.html

Tables/Views
https://docs.oracle.com/en/cloud/saas/financials/20d/api.html

SOAP & REST WebServices
https://docs.oracle.com/en/cloud/saas/financials/20d/integrate.html

https://docs.oracle.com/en/cloud/saas/financials/20d/api.html

Configure and Extend
https://docs.oracle.com/en/cloud/saas/financials/20d/configure.html
