Request for assistance - PowerShell Output

I am using Graph API to get some informations in tabular format and current output looks like this:

 In first table under "licenseName" column, I am translating "License name" to "FriendlyName" using "replace"

@{Label='LicenseName';Expression={$($_.skuPartNumber -replace $_.skuPartNumber,$sku.Item($_.skuPartNumber))}}

where $sku is like :

$Sku = @{
 "DEVELOPERPACK_E5"      = "Developer Pack E5 - from MSDN";
 "O365_BUSINESS_ESSENTIALS"      = "Office 365 Business Essentials";
 "O365_BUSINESS_PREMIUM"      = "Office 365 Business Premium";
 "DESKLESSPACK"      = "Office 365 (Plan K1)";
 "DESKLESSWOFFPACK"      = "Office 365 (Plan K2)";
 "LITEPACK"      = "Office 365 (Plan P1)";
 "EXCHANGESTANDARD"      = "Office 365 Exchange Online Only";
 "STANDARDPACK"      = "Enterprise Plan E1";
 "STANDARDWOFFPACK"      = "Office 365 (Plan E2)";
 "ENTERPRISEPACK" = "Enterprise Plan E3";
 "ENTERPRISEPACKLRG"      = "Enterprise Plan E3";
 "ENTERPRISEWITHSCAL" = "Enterprise Plan E4";
 }

However, in other table below, column name "Licenses", I cannot translate it to "FriendlyName" as it has multiple value. I tried several things but no luck (using "replace" like above)

Can anyone please help me. 

I thank you in advance