Agreed with logic above the case statement will work top down you need a Reporting Hours is null as part of the first statement

Procurement and Spend?

If there are no common attributes then there will be an issue in joining. Can you double check as it seems you see a relationship between these subject areas

Depends on what detail you want do you mean that the email was sent to your email provider from BI Publisher or that the email was actually sent out of your organisation to the intended receiver, I would guess that these are two different things. If it is the latter, it may depend on which email provider you are using as…

Have you thought about configuring to burst to file subsets filtering on some field such as Country, this will break down the work the database has to do

This issue was raised here, what version of Word are you using ? https://community.oracle.com/products/oracleanalytics/discussion/22504/got-the-message-about-tbaddin64-add-in

You can split the output in BIP various links as follows https://www.trinamix.com/wp-content/uploads/2021/04/Splitting-large-volume-BIP-Report-output-into-multiple-output-files.pdf

I'm guessing you found this video, is there anything specific you are after concerning the data model? Also there are additional product roadmaps here https://community.oracle.com/products/oracleanalytics/kb/articles/32-product-roadmaps

Are your tokens expiring ? Could be using out of date tokens, can you let us know who your SSO provider is Oracle Access Manager, SiteMinder, etc.?

This is a video that may help it is displaying dynamic images, I'm assuming you want different signatures? So you would have a signature image rather than a picture Please let us know if it is a single fixed signature you are looking for