The following are some of the main considerations when buying an identity and access management (IAM) solution:

1. Integration with existing systems: Consider how well the IAM solution integrates with your existing systems, such as your directory services, applications, and databases.
2. Ease of use: Evaluate how user-friendly the solution is and how easily it can be adopted by your users.
3. Security features: Consider the security features offered by the IAM solution, such as multi-factor authentication, access control, and password management.
4. Cost: Evaluate the cost of the IAM solution, including any upfront costs, ongoing costs, and hidden costs.
5. Scalability: Consider the scalability of the IAM solution and whether it can meet the needs of your organization as it grows.
6. Reputation and track record: Evaluate the provider’s reputation and track record, as well as any customer references or testimonials.
7. Support and documentation: Consider the level of support and documentation provided by the provider, including response times, knowledge base resources, and training options.
8. Compliance and regulations: Consider any compliance and regulatory requirements that your organization must adhere to, such as GDPR, HIPAA, or PCI-DSS, and ensure that the IAM solution supports these requirements.

By carefully evaluating these factors, you can ensure that you select an IAM solution that meets the needs of your organization and provides the security and functionality required to protect your sensitive data and systems.