Develop a comprehensive 500-word article outlining a strategic roadmap for monetizing embedded finance within a SaaS business.  The article should cover various monetization models, including transaction fees, subscription models incorporating financial services, and revenue-sharing partnerships.  Discuss the key considerations for selecting the appropriate monetization strategy based on target audience, product features, and market competition.  Include a detailed analysis of the regulatory landscape and compliance requirements associated with embedded finance.  The article should also address potential challenges and risks, such as security concerns, data privacy issues, and integration complexities. Finally, provide actionable steps for implementation, including identifying potential partners, developing a go-to-market strategy, and measuring the success of the monetization efforts.  The article must be written for a business audience with a basic understanding of SaaS and finance, and should use clear, concise language, avoiding excessive technical jargon.