Yes, eSpline does offer a free trial license for the Avenue Managing VC Portal also known as the Avenue Portal.

With a 60-Day Trial License you have the ability to download VC or IPC product models, compare two product models and view only what changed in a navigable pdf or html document. You also may use a new capability to submit any VC product model for a Best Practices diagnosis in the eSpline Avenue Health Check Report. Need to document your VC product model? Again an intuitive and easy-to-read navigable pdf or html document is available.
New capabilities include: creation of comments and tasks within the eSpline Portal for a model and all annotations and tasks are shown for all versions of the model, not just for the most current version. Need to upload or move the product model to another SAP instance. Watch for this capability soon.
To request a 60-Day Trial
Register Here