We have several customers asking when Paginated reports will be supported in the shared capacity. Is there any timeline from Microsoft for when this will no longer be a Premium only feature and open to all the Power BI Pro userbase?
currently there is no timeline available when Power BI paginated reports will become available to shared capacities. Here you will find the official roadmap of Dynamics 365 (that also contains Power BI as part of the Power Platform): https://dynamics.microsoft.com/en-us/roadmap/overview/
The Power BI part:
Here is the direct link about Paginated Reports:
As the roadmap gets updated frequently, I recommend you check for updates regularly.