In my experience, many end users believe that with perhaps an hour or two of training, they will be able to create their own reports. This is not just an Odoo issue; it is a common perception that many end users have when working with an ERP system. Unfortunately, creating or modifying reports is often not easy and should be considered more of a developer task than an end user task. Be prepared to spend considerable time to acquire the skills required to make significant changes to the documents and reports in Odoo.

Furthermore, reporting has changed dramatically in the past several years. Previously, many companies were dependent on paper reports and Excel sheets to properly communicate information through the company. Very often in Odoo, what was previously a physical report, can be better managed through filtering and grouping views properly or using the business intelligence features built into Odoo. Be sure to carefully consider your report...