If you are looking for a solution to tightly integrate into your SaaS application and allow for reporting both internally and externally (by clients) Exago BI might be a good choice. It would allow for white labeling and includes both ad hoc operational reporting as well as…

If you are looking for a truly embedded reporting/visualization solution within an application then you might consider Exago BI which provides the features you requested as well as an ad hoc operational reporting component for pixel perfect types of reports.

Depending on what else you'd like to do Exago BI could be a good choice. Embedded BI developed specifically for SaaS applications and combining ad hoc operational reporting (pixel perfect) as well as templates (word/pdf/excel merge) and visualizations within one solution…

If you are looking for an embedded solution Exago BI could be a good choice offering visualizations, operational reporting and scheduling all within the same solution.

If you are looking to embed this solution within an application then Exago BI might be a good choice meeting most if not all of your requirements for one all you can eat price point which may be useful depending upon your definition of scaling (users, clients, etc.)…

Use case! What and or for whom are you trying to provide reporting capabilities to and from what applications and data sources. What are the skill levels of these users - basic business users or analysts. Ease of use should be top of the list as well as a quality customer…