Embed end user reporting tool for Open Source Server

[AmanBains]

Is there any "end user reporting tool" that can be embedded in Angularjs App. 

Requirements:-

• Reporting Tool may be paid or free.
  
• Server could be any opensource server. 
  
• Db could be any free db   (but supporting joins and transactions).
  

Tool Requirement:

• Reports, Charts are a must
• drill down, drill through and sub reports are a must
• End user drag drop report creation is a must
• maybe dashboards
• maybe BI

We want to embed such a tool, it could be a paid tool.