>>Is it possible to migrate SSAS Multi-dimensional cubes from SQL Server 2014 to Azure as PAAS(Azure SQL >>>database or
Azure SQL database managed instance)?
No, for such kind of project please look into Synapse pretty new technoilogy if you going into BI world
https://azure.microsoft.com/en-us/services/synapse-analytics/
>>Can we migrate SSIS catalog packages and the execution of SSIS packages as SQLAgent jobs supported in Azure >>>as PAAS
option?
You do not need to migrate the packages, they just great work with SQL Azure DB (Just refer to SQL Azure DB within a OLEDB Source\OLEDB
Destination)
>>>Does Azure as PAAS support real time load of data mart and Fulltext search support?
Here you go
https://azure.microsoft.com/en-us/blog/full-text-search-is-now-available-for-preview-in-azure-sql-database/
Best Regards,Uri Dimant SQL Server MVP,
http://sqlblog.com/blogs/uri_dimant/
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